Case notes on veterinary investigations in sheep, cattle and other species
OTHER SPECIES
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Acute deaths in free range pigs in NSW | Posted November 2020
Written by: Eliz Braddon, ASF Program Lead, Dept of Primary Industries
In April 2020, a free-range pig producer reported unusual pig losses in his herd over the previous five days
... Read more
Adapting livestock production to the climate in 2030 | Posted March 2011
Written by: Brian Cumming, Livestock Officer (Beef), NSW Industry and Investment, Albury
NSW Industry and Investment has been running the NSW component of a national
project to look at how producers might adapt their production systems to the
anticipated change in climate from 2016 to 2045... Read more
Advances in diagnosing Chlamydia | Posted December 2021
Written by: Cheryl Jenkins and Pedro Pinczowski, NSW Department of Primary Industries, Biosecurity &
Food Safety, EMAI, Menangle, NSW
Due to the intracellular nature of these organisms, cultivation can only be achieved in cell culture systems
limiting the range of diagnostic tests ... Read more
African swine fever - The NSW approach 2020 | Posted April 2020
Written by: Eliz Braddon - ASF Program Lead, NSW Department of Primary Industries
African Swine Fever, endemic in sub-Saharan Africa, in 2007 spread to Georgia and the Caucasus, then across
Europe and Russia, in 2018 it was confirmed in China, the majority of countries in southeast Asia have been
impacted, and it was confirmed in Papua New Guinea at the time of writing... Read More
Alpacas and other camelids—tips I have learnt | Posted January 2014
Written by: Diane Ryan, Senior Veterinary Officer, Menangle
Alpacas are different in many ways from traditional livestock industries. The terminology used with this
species is based on both its origin (South America) and aspects of its physiology and behaviour... Read more
Anaerobic culture - why? what? how? | Posted January 2023
Written by: Ana I. S. Esteves & Mark Westman, Diagnostic Veterinary Bacteriology Laboratory, Elizabeth
Macarthur Agricultural Institute, Department of Regional NSW, Menangle NSW
Anaerobic bacteria can cause animal disease as invasive pathogens, as toxigenic agents and as participants in
pyogenic infections ... Read more
Animal Health Surveillance in NSW | Posted December 2021
Written by: Paul Freeman - A/Surveillance Team Leader NSW DPI
The objectives of the terrestrial animal health surveillance program in New South Wales are ... Read more
Animal welfare case and lice offences | Posted March 2012
Written by: A G Morton, District Veterinarian, Hume Livestock Health and Pest Authority
After 35 years it still amazes me how long (10 years in this case) neighbours will tolerate welfare or stock
disease problems before bringing the issue to anyone's attention ... Read more
Animal welfare in developing countries | Posted April 2017
Written by: Nigel Brown, DV Glen Innes
This presentation is based on my own experiences having worked as a veterinarian in about 36 different
countries, primarily those are in the Middle East and North Africa but I have recently worked in Mongolia for
five years ... Read
more
Antibiotic resistance in food animals - national and international developments | Posted March
2016
Written by: David Jordan, Principal Research Scientist, NSW Department of Primary Industries, Wollongbar,
NSW
Antimicrobial resistance and antimicrobial usage has been a contentious issue at the nexus of animal and human
health for over 50 years. The discovery of methicillin resistantStaphylococcus aureus in the UK
hospital system in 1960 first brought ... Read more
Aquatic Disease investigations: Elizabeth Macarthur Agricultural Institute | Posted december
2021
Written by: Jeffrey Go, Zoe Spiers, Deb Finlaison, Cheryl Jenkins, New South Wales Department of Primary
Industries
Diseases of aquatic organisms are covered under the following Act and subordinate legislation ... Read more
Arboviral disease in horses | Posted September 2011
Written by: Sara Biasutti BVSc, Canobolas Veterinary Hospital
As of February 2011 an increase in muscle soreness, joint pain and neurological disease was reported in NSW
horses ... Read more
Australian bat lyssavirus update | Posted March 2016
Written by: Paul Freeman, NSW DPI Wollongbar
Australian Bat Lyssavirus is endemic in both insectivorous bats and megabats of Australia, where the
prevalence in wild populations is estimated at less than one percent but in bats that are showing neurological
signs a much higher prevalence occurs ... Read more
Australian wildlife health network | Posted March 2012
Written by: T. Grillo, Australian Wildlife Health Network and G. Curran, NSW Wildlife Health Coordinator,
NSW DPI
The Australian Wildlife Health Network (AWHN) links, informs and supports people and organisations who deal
with wildlife disease, and work or have an interest in wildlife health across Australia ... Read more
Avain Influenza: Global situation and risk to NSW | Posted November 2024
Written by: Brendan Sharpe, Senior Veterinary Policy Officer, NSW DPI
Low pathogenicity avian influenza is an endemic infection in wild bird populations with an estimated prevalence of
1.9% in Australian wild bird populations ... Read More
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Backyard and fancy poultry| Posted August 2018
Written by: Dr Rod Reece, veterinary pathologist, NSW DPI, State Veterinary Diagnostic Laboratory, EMAI,
Menangle
Formerly, a young domestic fowl (Gallus gallus domesticus) was known as a 'chicken' but that term now
applies to all age groups and breeds of domestic fowl ... Read more
Bat brains, biosecurity, and beyond | Posted April 2017
Written by: P Shearer,1, H Bender,2, and M Gabor1
1Elizabeth Macarthur Agricultural Institute, Menangle NSW
2Australian Animal Health Laboratory, Geelong, VIC
Bats are a natural host and vector of many zoonotic diseases, including the enzootic Australian Bat Lyssavirus
(ABLV) and Hendra virus, and the exotic Nipah, Ebola, Melaka, and Marburg viruses ... Read more
Bluetongue viruses - the current situation in Australia and beyond | Posted April 2013
Written by: P.D. Kirkland, Virology Laboratory, EMAI, Camden NSW
The most recent large scale epizootic with a high morbidity and mortality occurred on a number of the
Mediterranean Islands and later in most of the countries bordering the northern Mediterranean coast between
1999 and 2002 ... Read more
Bushfire preparation for livestock owners | Posted March 2020
Written by: Alexandra Stephens, District Veterinarian, Yass
The following list provides some of the actions you can take to maximise your ability to respond to an
emergency and minimise the damage to your farm and livestock ... Read more
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Calicivirus in farmed rabbits | Posted July 2012
Written by: Phillip Kemsley, District Veterinarian, Casino
A large vertically integrated rabbit farm on the north coast of NSW experienced heavy losses of over 1,000
growers and breeders ... Read
more
Can livestock animal welfare reform come fast enough? | Posted March 2012
Written by: Glenys Oogjes, Executive Director, Animals Australia
Animals Australia is a non-profit charitable organisation financed through community support. It is a
federation of 40 groups, and also has a large individual membership and supporter base. We have representation
on all major state and national animal welfare committees ... Read more
Challenge of biosecurity in periurban areas - a case study | Posted March 2016
Written by: Kate Sawford, South East Local Land Services
The periurban environment poses unique animal biosecurity challenges including a large concentration of
migrant communities, with a range of common languages spoken at home and religious affiliations, farms are
small both in terms of area and livestock numbers and lack proper handling facilities, and knowledge of
regulations governing the ownership and sale of stock ... Read more
Chemical Residues and Export Market Access | Posted September 2021
Written by: Emily Doyle, State Residues Coordinator, Biosecurity & Food Safety, NSW DPI
The spectrum of importing country requirements for meat and meat products are as broad as the trading partners
are numerous ... Read more
Chlamydial infections of humans and animals - an update | Posted March 2011
Written by: Adam Polkinghorne
Chlamydia are highly successful pathogens that can infect and cause disease in animals at nearly every
level of taxonomy. In humans, chlamydial infections are the
leading cause of preventable blindness ... Read more
Classical swine fever virus in Eastern Indonesia and Timor-Leste | Posted March 2015
Written by: Kate Sawford, Greater Sydney Local Land Services
Many of the pig diseases exotic to Australia are spreading in neighbouring countries representing a threat to
Australia's pork industry as pig products from these regions could be imported illegally and fed to pigs ...
Read more
Climate and Disease | Posted January 2023
Written by: Nigel Brown, DV Glen Innes
This presentation considers not only the meteorological climate as it relates to disease development with the
current spectre of anthropogenic climate change but also the financial, political, bureaucratic, social and
emotional climates ... Read more
Clostridium sordellii and Clostridium perfringens isolated from a case of acute enteritis
and sudden death in adult goats| Posted August 2018
Written by: Jeremy Rogers, SVO, PIRSA Biosecurity, Murray Bridge
The first report of Clostridium sordellii in goats in South Australia with Clostridium
perfringens also cultured from samples, so one or both organisms may have been responsible for the
deaths in this case ... Read
more
Coccidiosis in a commercial layer flock | Posted September 2011
Written by: Eliz Braddon, SDV Lachlan LHPA
A commercial layer operation experienced a sudden increase in mortalities in one layer shed with deaths
occurring in birds in the bottom two rows of cages only ... Read more
Comparison of the efficacy and egg reappearance period of Ivermectin with an Ivermectin and Pyrantel
combination as an anthelmintic treatment in horses | Posted December 2018
Written by: Petrea D. Wait, District Veterinarian, Local Land Services Monaro
To compare the efficacy and egg reappearance period of a single active anthelmintic containing Ivermectin with
a dual active anthelmintic containing both Ivermectin and Pyrantel in horses ... Read More
Cross-sectional disease surveillance and control: Rabies in Uganda as a case study | Posted April
2013
Written by: Siobhan M. Mor - Faculty of Veterinary Science, University of Sydney, Australia
In this presentation I will share the highlights from the PMA Conference as well as the findings from our
ongoing work on rabies in Uganda. Rabies provides a unique opportunity to consider proof of concept for
cross-sectoral approaches to disease surveillance and control ... Read more
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Descriptive Epidemiology of Salmonella Enteritidis outbreak in New South Wales | Posted
September 2021
Written by: Catherine Fraser, NSW Department of Primary Industries
In September 2018, traceback from a human SE cluster not attributable to overseas travel led to the detection
of SE in a New South Wales (NSW) poultry flock ... Read more
Developments in animal welfare | Posted April 2013
Written by: Amanda Paul, Veterinary Officer, Animal Welfare, NSW DPI
A number of issues have arisen in the last 12 months that have raised questions around the participation of
LHPA vets in animal welfare. The first is the Crown Solicitor's advice regarding functions of LHPAs ... Read more
Devil facial tumour disease | Posted March 2011
Written by: Benn Bryant, Senior Veterinarian, Taronga Western Plains
Devil Facial Tumour Disease (DFTD) was first recognised in free ranging Tasmanian
devils (Sarcophilus harrisii) in the north-east of Tasmania in 1997. The
disease subsequently spread and now ... Read more
Diagnostics and technology update from microbiology and parasitology | Posted December 2019
Written by: Mark Hazelton, Pathology Resident, DPI, EMAI, Menangle
The factors that influence a diagnostic outcome include identification of the true problem, understanding of
pathogenesis, collection of representative samples, sample quality, appropriate test selection ... Read more
Disease control over the century | Posted September 2018
Written by: Andrew Biddle Northern Tablelands LLS Inverell
Preparing for this presentation has been a fascinating dig into our past. The question always being do I look
at the diseases or the people ... Read more
Diseases of alpacas | Posted March 2016 and updated June 2024
Written by: Patrick Staples, State Veterinary Diagnostic Laboratory, EMAI, Menangle
This paper attempts to provide an introduction and overview of some of the diseases of alpacas that may be
seen in Australia ... Read more
Do B12 injections improve vitamin B12 status? Updates on vitamin B12 supplementation in ruminants |
Posted September 2021
Written by: Dr Paula Gonzalez-Rivas, Technical Services Manager, Nutrition Virbac Australia
Two commercially available forms of injectable cobalamin, hydroxocobalamin (OHB12) and cyanocobalamin (CNB12),
are registered for use in livestock ... Read more
Do cattle lose their NLIS devices in trucks?
Written by: Bruce Watt and Katrina Crawford, Central Tablelands Local Land Services, Bathurst
In all the project scanned 556 head of cattle consisting of 20 consignments in 27 truckloads, recording the
details of each truck and crate aiming for a mix of small and larger units ... Read More
DPI NSW perspective on animal welfare issues | Posted March 2012
Written by: Amanda Paul, Veterinary Officer, Animal Welfare, NSW Department of Primary Industries
Animal welfare is an issue that generates significant media interest and also generates a significant amount
of Ministerial correspondence in NSW ... Read more
Dr Peter John Healy 1940-2019 | Posted May 2023
Written by: K Walker B O'Rourke J Dennis Elizabeth Macarthur Agricultural Institute, Menangle,
Australia
Peter's scientific contribution was recognised in the Australia Day Honours List in 1992 with a Public Service
Medal, and a 40 year Meritorious Service award ... Read More
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EAD responses - who needs epidemiology? | Posted August 2025
Written by: Andrew Biddle, Northern Tablelands Local Land Services, Inverell
Let's consider the question in 3 parts; what is epidemiology? what skills are we referring to in different sections
of a response? and which skills match which roles? ... Read More
Egg-associated peritonitis in a small backyard hen flock
Written by: Bruce Watt, Central Tablelands LLS, Bathurst | Posted March 2023
The owner of a small flock of backyard hens reported that one hen had died several days previous and another
was sick Read More
EHV-1 abortion storm on a thoroughbred stud in the Hunter Valley, NSW | Posted August 2021
Written by: Dr Kristi Arnot,District Veterinarian Hunter LLS and Ebony Harris, final year Veterinary
Science Student, Charles Sturt University
Four thoroughbred broodmares in a herd of 10 at a large thoroughbred horse stud aborted over a two-month
period, having been vaccinated for EHV-1 ... Read
More
Eimeria macusaniensis causing death in adult alpacas | Posted March 2025
Written by: Kylie Greentree, Hunter LLS, Maitland and Anne Jordan, Elizabeth Macarthur Agricultural Institute
Coccidia are protozoan parasites that can affect a wide range of species, but the impact varies significantly
depending on the species, age, health status and environmental conditions ... Read More
The introduction of electronic NLIS (Sheep & Goats) in Victoria | Posted September 2018
Written by: Robert Suter, Agriculture Victoria, Attwood
To date, the transition to electronic NLIS (sheep & Goats) in Victoria has progressed very successfully,
with the timeline targets all being met, this is largely down to four factors ... Read more
Elizabeth Macarthur agricultural institute, boffins and bugs | Posted June 2015
Written by: Dr Jef Hammond, Director, Centre for Animal & Plant Biosecurity, NSW Department of Primary
Industries, Elizabeth Macarthur Agricultural Institute, Woodbridge Rd, Menangle NSW
EMAI is the NSW Department of Primary Industries Centre for Biosecurity and Centre of Excellence for Animal
and Plant Health. First opened in 1990, EMAI plays a vital role in the protection of the State's $9 billion
primary industries sector, the community and environment ... Read more
Emerging infectious diseases of bats | Posted March 2012
Written by: Rod L. Reece, NSW Department of Primary Industries, State Veterinary Diagnostic Laboratory,
Elizabeth Macarthur Agricultural Institute, Menangle
Approximately two thirds of the well-recognised diseases of humans are zoonoses; however, many of the high
profile and significant new and emerging human diseases of recent years have derived from animals ... Read more
Emerging zoonotic issues with leptospirosis & brucellosis | Posted April 2013
Written by: Peter D Massey, DrPH, GCPH, RN, Program Manager Health Protection,
Hunter New England Health, NSW
There are more than 40 zoonotic diseases currently recognised of public health significance in NSW (Adamson
et al. 2011). People with a zoonotic illness frequently present with non-specific symptoms so
under-diagnosis may occur ... Read more
An outbreak of encephalomyocarditis deaths in camels | Posted August 2020
Written by: Kylie Greentree, Hunter Local Land Services and Jim Kerr, Hunter Local Land Services
During this investigation, three camels that died suddenly tested positive for EMCV and had heart lesions
consistent with EMCV infection... Read
More
Environmental survival ofMAP across New South Wales | Posted March 2012
Written by: J Eppleston, DJ Begg, G Curran, N Dhand, B Watt, RJ Whittington
Mycobacterium aviumsubsp.paratuberculosis (Map), the cause of Johne's Disease (JD), is
defined as an obligate parasite of animals, meaning its survival outside of animals is finite ... Read more
Epidemiological investigation of neonatal and juvenile mortality in Kalahari Red goats in Orange, 2022-2024 | Posted June 2025
Written by: Angela Warrian, Team Leader Animal Biosecurity & Welfare, Central West LLS
This report outlines an epidemiological investigation into a series of deaths among neonatal and juvenile Kalahari
Red goats over three kidding seasons ... Read More
Epidemiology of 2011 hendra virus spillover events: Queensland perspective and general overview |
Posted March 2012
Written by: Nina Kung & Hume Field, Queensland Centre for Emerging Infectious Diseases, Biosecurity
Queensland, Department of Employment, Economic Development and Innovation
Periodic spillover of Hendra virus (HeV) from its natural host (fruit bats, flying-foxes) results in
catastrophic disease in horses and occasionally the subsequent infection of humans ... Read more
Epizootic haemorrhagic disease - is this a disease of alpacas? | Posted January 2014
Written by: Zoe Feigen (final year student, University of Sydney), Diane Ryan (Elizabeth MacArthur
Agricultural Institute, Menangle) and Bruce Watt (Central Tablelands Local Lands Services,
Bathurst)
Epizootic Haemorrhagic Disease is viral disease, primarily of ruminants. Overseas, it causes severe disease in
cervids and is associated with mild disease in cattle and bighorn sheep and carrier states in domestic sheep,
goats and other wild ungulates. Some importing countries request certification for Australian alpacas ... Read more
EU FMD real time training - Nepal | Posted April 2013
Written by: Andrew Biddle, District Veterinarian, New England LHPA and
Libby Guest, District Veterinarian, North West LHPA
The experiences of each individual involved in EU FMD Real-time Training in Nepal are dependent on the village
and enterprises they visited. A few of the practical lessons learned in Nepal are outlined ... Read more
Excess pasture iron contributing to secondary copper deficiency and enzootic ataxia in boer goats |
Posted December 2019
Written by: Evie Duggan, District Veterinarian, Riverina LLS, Young and Thomas Westermann, Pathology
Resident, SVDL, EMAI, Menangle
A Boer goat stud located near Young NSW was visited after the producer reported a history of ataxic kids ...
Read more
Exotic theileriosis | Posted March 2012
Written by: David Thomson, North Coast LHPA
Various forms of Theileriosis are widely recognized as possibly the most economically significant vector-borne
diseases affecting ruminant livestock production worldwide ... Read more
Experiences working in a forward command post during the varroa mite biosecurity response | Posted August 2025
Written by: Megan Davies, District Veterinarian, Narrabri
Varroa mite is the most serious pest of European Honeybees worldwide, and prior to this detection, Australia had been
free of varroa mite ... Read
More
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Faecal PCR test for Johne's disease: a new and improved semi-automated test | Posted March 2012
Written by: Ian B. Marsh, Karren M. Plain, Francesca Galea, Anna Waldron, Ann-Michele Whittington, Richard
J. Whittington (NSW Department of Primary Industries, EMAI and Faculty of Veterinary Science, University of
Sydney, Camden
The development of a direct faecal polymerase chain reaction (DPCR) test for both ovine Johne's disease and
bovine Johne's disease has been a goal in Johne's disease research since the mid 1990s ... Read more
The feasibility of composting animal carcasses in NSW in an emergency animal disease response | Posted
July 2023
Written by: Kevin Wilkinson, Director, Frontier Ag & Environment and Byron Stein, Policy & Project
Officer, Animal Biosecurity, Department of Regional NSW
For the first time in Australia, the applicability of carcass-grinding and composting was evaluated for mass
disposal in an emergency animal disease outbreak ... Read more
Feral pigs, pig hunters, pig dogs and vets (in NSW) | Posted July 2019
Written by: Rod Reece, Veterinary Pathologist, NSW DPI, State Veterinary Diagnostic Laboratory, EMAI,
Menangle
The most significant zoonotic disease of feral pigs in NSW is brucellosis due to Brucella suis. This is
significant human pathogen (zoonotic) and also readily infects other species such as dogs ... Read More
Field investigation of kangaroo deaths in Sturt National Park and areas near Tibooburra in early 2010
| Posted March 2011
Written by: Greg Curran, Technical Specialist, Western Division, NSW Wildlife Health Coordinator, Industry
and Investment NSW, Broken Hill
Kangaroo deaths were reported within about 100km of Tibooburra NSW, including within Sturt National Park. On
investigation, the animals
affected were red kangaroos ... Read more
Feral goats in peri-urban settings, a health and welfare issue | Posted July 2012
Written by: Linda Dillenbeck, Veterinary Intern Sydney University and Matt Ball, Senior District
Veterinarian NSW
The form of agriculture practiced in the peri-urban environment can have biosecurity, welfare and food safety
concerns. This case study provides an example of a disease investigation where goats were being used ... Read more
Flavivirus neurological disease in horses - information for vets | Posted June 2011
Written by: Belinda Walker, Technical Specialist Animal Biosecurity, NSW DPI
Since late February there has been an increase in reports of horses displaying unusual neurological signs
across NSW. Similar cases have been reported in Victoria and South Australia ... Read more
Flock & Herd, an open access website of livestock health case reports | Posted June 2023
Written by: Bruce Watt, Central Tablelands LLS, Bathurst and Peter Frecklington, Crowther
The Flock & Herd website publishes online articles highlighting disease investigations in sheep flocks,
cattle herds and other livestock ... Read more
FMD eradication dreaming | Posted April 2013
Written by: Peter Windsor DVSc, Specialist Veterinary Surgeon (Pathobiology, Small Ruminant Health
Management), Professor of Livestock Health and Production (Faculty of Veterinary Science, University of
Sydney, Camden, NSW)
From a global perspective, FMD is more correctly considered a failure of the food security system affecting
over 20million cattle and 4million pigs per annum, severely compromises international trade in animals
and animal products, causes considerable financial losses ... Read more
Foot-and-mouth disease in Kenya: an overview of key features | Posted March 2012
Written by: Paul Freeman, Regional Veterinary Officer,
NSW Department of Primary Industries
Foot-and-mouth Disease is a highly contagious disease of cloven footed animals. It is economically significant
affecting both production and trade access ... Read more
Foot-and-mouth disease preparedness and zoos | Posted June 2023
Written by: David Blyde, Debra Doolan and Michelle Campbell-Ward, NSW DP
No known incursions of foot-and-mouth disease have been made into Australia in over 150 years ... Read more
Full hand feeding of horses — Suggested rations for horses during droughts | Posted December
2021
Written by: Petrea Wait, District Veterinarian, South East Local Land Services
Supplementary feeding, or as is often the case in drought the full hand feeding of horses, is expensive and
time-consuming ... Read more
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Genetics testing advances for livestock | Posted March 2012
Written by: Brendon A. O’Rourke, NSW Department of Primary Industries, State Veterinary Diagnostic
Laboratory, EMAI
Technical advances are facilitating the application of molecular genetics to enhance productivity in the
livestock industries. This is being served by two pathways ... Read more
Glasser's disease in pigs | Posted August 2010
Written by: Belinda Edmonstone, District Veterinarian, Lachlan LHPA, Forbes
A purchase of 26 weaner pigs goes wrong when the count of the dead reaches nine ... Read more
Glasser's disease (Haemophilus parasuis) in weaners | Posted December 2012
Written by: Lydia Poad, Veterinary Intern Sydney University
Matt Ball, Senior District Veterinarian Lismore
Four weaners that had been purchased became acutely lame and unable to stand two weeks after arrival. One of
these weaners was found dead two days later ... Read more
Goat shoot operations collecting animal health information | Posted August 2010
Written by: Keith Hart, Senior District Veterinarian, Cumberland LHPA, Camden
The serendipitous collection of samples from goats during a cull operation found that ... Read more
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Hendra risk management and preclinical animals | Posted March 2012
Written by: Therese Wright, Department of Primary Industries, Orange
Understanding the potential risks of viral shedding posed by animals that may be infected with Hendra virus
but are not showing clinical signs allows these animals to be appropriately managed ... Read more
Hendra virus case studies | Posted September 2011
Written by: Matt Ball - District Veterinarian Lismore
In 2011 the North Coast of NSW has had multiple properties diagnosed with Hendra virus with the last known
occurrence of the disease in NSW in 2006 ... Read more
Hendra virus developments 2012 | Posted April 2013
Written by: Therese Wright, Biosecurity NSW
In 2012, 12 horses died of Hendra virus in 9 incidents. All these incidents were confined to Queensland and
all occurred on properties north of Gladstone ... Read more
Hendra virus experiences - 1 | Posted March 2012
Written by: Ian Poe, Mid Coast Livestock Health and Pest Authority, Kempsey
Hendra virus was first isolated in Queensland following an outbreak at a racing stable in Hendra, Brisbane.
Prior to 2011 there had been 14 incidents in Queensland and a single case in NSW ... Read more
Hendra virus experiences - 2 | Posted March 2012
Written by: Matt Ball, District Veterinarian Lismore
During the winter of 2011 the North Coast of NSW had multiple properties diagnosed with Hendra virus (7
Infected Premises) and an unprecedented number of Hendra exclusions (over 60) ... Read more
Hendra virus experiences - 3 | Posted March 2012
Written by: Phillip Kemsley, District Veterinarian, Casino
This case report reviews experiences with Hendra Virus disease in horses on an affected property at Wollongbar
in June / July 2011. It also explores flying fox movements and weather events at the suspected time of virus
spillover ... Read more
Hendra virus policy update | Posted August 2015
Written by: Paul Freeman NSW DPI
The introduction of a Hendra virus vaccine, confirmation of infection in a second dog and recent developments
in the understanding of recrudescent HeV infection have necessitated review of the management of vaccinated
animals on infected premises, the risk posed by close contact companion animals and the policy of mandatory
euthanasia of infected animals ... Read more
Hendra virus update | Posted March 2012
Written by: Deborah Finlaison, Veterinary virologist, Virology Laboratory, EMAI, Menangle
This presentation will review the history of Hendra virus outbreaks, give an overview of the characteristics
of the virus, and discuss the diagnostic tests for identification of Hendra virus infection and the samples
that should be collected for exclusion testing ... Read more
An update on Hendra virus (HeV), HeV-like illnesses and horses as sentinels for emerging infectious
disease | Posted September 2018
Written by: Edward Annand, Peter Reid, Ina Smith, Ibrahim Diallo, Stacey Lynch, Richard Weir, Lorna
Melville, Cristy Secombe, Philip N. Britton, James Gilkerson, Cheryl Jones, and Navneet Dhand
Hendra virus causes a usually fatal acute disease in horses mediated by an endothelial vasculitis. It also has
a high case fatality rate in humans who may become infected via exposure to an infected horse ... Read more
Henipavirus outbreak in the southern Philippines, 2014 | Posted March 2016
Written by: Debbie Eagles, CSIRO Australian Animal Health Laboratory (CSIRO AAHL)
This paper describes the investigation of an outbreak of neurological disease with high case fatality amongst
people and horses in southern Philippines in 2014 ... Read more
Hepatic coccidiosis in meat rabbits | Posted November 2020
Written by: Tania Areori, CSU Veterinary Science Student, and Liz Bolin, District Veterinarian, North Coast
LLS
This report describes an outbreak of hepatic coccidiosis in 2019 that led to the death of 19 out of 21
meat-producing rabbits in northern NSW... Read more
History of the veterinay profession | Posted December 2018
Written by: Nigel Brown, Glen Innes, Northern Tablelands LLS
'Veterinarian' derives from the Latin 'veterinum' which means 'beast of burden' and
'veterinarius' means 'of or having to do with beasts of burden' ... Read more
How I Investigate (as an Industry Funded Government Veterinarian) | Posted January 2023
Written by: Shaun Slattery, District Veterinarian
This paper will outline the livestock disease investigation principles the author has developed from 30 years
as a government veterinarian ... Read more
HPAI Young 2013 - lessons learned from an emergency response | Posted August 2015
Written by: Eliz Braddon, SDV Lachlan LHPA
Avian influenza is included on the World Organisation for Animal Health (OIE) list of notifiable diseases. As
a result, Australia has an obligation to respond to any outbreak of avian influenza (AI). That response is
dependent on the viral subtype diagnosed ... Read more
Human metapneumovirus: zoonosis or reverse zoonosis ? | Posted March 2012
Written by: Jim McDonald, District Veterinarian, Tablelands LHPA, Yass
The World Health Organisation defines zoonosis as ‘an infection shared in nature by man and
animals’. This is an elegant way of describing it and implies that there is no need to coin terms to
define the direction of transmission ... Read more
Hydatids in Australia: the current situation in rural domestic dogs | Posted 2015
Written by: David J Jenkins, School of Animal and Veterinary Sciences, Charles Sturt University, Wagga
Wagga, NSW
The hydatid transmission situation in Australia is complicated by a widespread wildlife reservoir that is
important in perpetuating transmission of the parasite. Wildlife provides a reservoir of infection that
periodically “spills over” into domestic dogs, livestock and humans ... Read more
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Infectious laryngotracheitis - a case study | Posted December 2019
Written by: Ted Irwin, North West Local Land Services, Warialda
The owner noticed some depressed chooks with dyspnoea and coughing, with most chooks initially seen to be
unwell dying within 48 hours ... Read more
Interesting Hendra virus exclusion | Posted March 2011
Written by: Ian Poe BVSc. District Veterinarian, Mid Coast LHPA (Kempsey)
Over the last few years Hendra virus exclusions have become a regular occurrence for local private
veterinarians and District Veterinarians working in the Mid Coast Livestock Health and Pest Authority ... Read more
Intervention project to enhance disease surveillance in the Northern Tablelands of New South Wales Posted August 2025
Written by: Kate Burren, District Veterinarian, Northern Tablelands Local Land Services, Glen Innes
In the Northern Tablelands there appeared to be an increase in the number of abortions and stillbirths in cattle and
on further investigation, it appeared that the problem was at least in part due to arboviruses but, unfortunately,
lack of data prevented an in-depth assessment ... Read More
IntroducingBrucella melitensis | Posted March 2016
Written by: Bruce Watt, Central Tablelands Local Land Services, Bathurst
Worldwide, brucellosis remains a major source of disease in humans and domesticated animals. In humans,
ovine/caprine brucellosis caused byB. melitensis is by far the most important clinically apparent
disease ... Read more
An investigation into pre-weaning mortality in piglets during Spring 2022 in the Murray LLS region | Posted August 2025
Written by: Katelyn Braine, District Veterinarian, Murray Local Land Services, Deniliquin NSW
This report describes an investigation into increased preweaning mortalities on a small piggery located in the Murray
LLS region from October to December 2022 ... Read More
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Leptospirosis in the Riverina | Posted April 2013
Written by: Dan Salmon, Senior District Veterinarian, Deniliquin
Leptospirosis became a serious disease of cattle during the early 1970's, at which time it was also a
significant zoonotic infection. After several years, leptospirosis became a less significant disease of cattle
to the point of being a very rare diagnosis ... Read more
Listeriosis associated with silage feeding in goats | Posted December 2011
Written by: Bob Templeton, Southeast Livestock Health and Pest Authority and Keith Hart, Cumberland
Livestock Health and Pest Authority and Bruce Watt, Tablelands Livestock Health and Pest Authority
Listeria monocytogenes occurs widely in the environment and can be isolated from soil, decaying plants
and silage. Man and many animal species can also be asymptomatic carriers ... Read more
Livestock rescue operations - simple techniques done well | Posted August 2025
Written by: David King, Senior Operator, NSW State Emergency Service Hawkesbury Unit, Vice chair of the Animal
Emergency Incident Management Network
There are just so many ways for livestock to get themselves into trouble and the key to a successful rescue operation
is a range of simple manual manipulation techniques ... Read More
Low pathogenic avian influenza in wild teal ducks | Posted May 2023
Written by: Zi Yi Lim, District Veterinarian, Local Land Services, Broken Hill
On the morning of the 27th February, 40-50 dead teal ducks were found scattered throughout Cobar
... Read More
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Macracanthorynchus hirudinaceus in feral pigs | Posted June 2015
Written by: Bruce Watt, Central Tablelands Local Land Services, Bathurst
The giant thorny headed worm,Macracanthorhynchus hirudinaceus, is primarily a parasite of pigs but can
infest other species including dogs and humans. It belongs to the Acanthocephala, a small phylum of highly
specialised parasites ... Read More
Malnutrition, condition score and disease | Posted July 2012
Written by: Susan McClure, DV Central West LHPA
Pasture-fed livestock are at risk of nutritional imbalance for many reasons including availability and
composition of the pasture on the one hand and the animal's requirements for maintenance, growth and
production on the other ... Read more
Management of lyssavirus in animals that interact with bats | Posted June 2015
Written by: Sarah Britton, NSW DPI, Orange
Australian bats (including flying foxes and microbats) are the natural reservoirs for a range of viruses that
may infect and sometimes kill humans and other animals. The viruses carried by Australian bats include Hendra
virus, Menangle virus and Australian Bat Lyssavirus ... Read more
Managing transboundary disease risks to Australia | Posted November 2024
Written by: Peter Windsor, Production Animal Welfare & Health Services, Scarborough
This article reflects on the risks of transboundary diseases to Australia following extensive
'hands-on' experiences in several countries in the region of South East Asia ...
Read More
Mareks disease in Australia - developments in monitoring and control | Posted April 2013
Written by: Stephen Walkden-Brown1 and Peter Groves2
1School of Environmental and Rural Science, University of New England, Armidale NSW
2Zootechny P/L, Bringelly NSW
Early studies into the virulence of Australian isolates of MDV using non-standardised methods, suggested that
some isolates were highly virulent and able to overcome the protective effects of vaccination ... Read more
Mass poultry euthanasia | Posted January 2023
Written by: Elizabeth Braddon, NSW DPI
Two methods to euthanase birds are non-penetrating captive bolts (TED guns) and the use of CO2 for
mass euthanasia ... Read more
MAX as a Case Management System in an Emergency Animal Disease (EAD) Response | Posted June 2023
Written by: Alliza Bartley, NSW DPI
MAX has been selected to be the National Case Management System used to capture intelligence for all Emergency
Responses ... Read more
Monitoring the prevalence and impact of enteric disease in pigs | Posted March 2015
Written by: Alison Collins, NSW DPI, EMAI
While histopathology is the gold standard in diagnosis for many enteric diseases, only very sick pigs are
necropsied, so mild clinical and sub-clinical disease are often undiagnosed ... Read more
Moral status of animals: Comparing deontological and consequentialist view on livestock farming |
Posted June 2015
Written by: Elizabeth Watt, PhD student in the School of Archaeology and Anthropology, School of Arts and
Social Sciences, Australian National University,Canberra
In this paper, I will discuss the status of animals according to two overarching philosophical theories:
deontological ethics and consequentialism. I will outline the views of two classical theorists from both
schools of thought ... Read More
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Neurological cases in ruminants | Posted September 2010
Written by: Ted Irwin, District Veterinarian, North West LHPA, Warialda
A number of maladies producing various neurological signs in different species ... Read more
Neurological signs and sudden death in horses located in close proximity | Posted August 2015
Written by: Colin Peake, DV Hay, Riverina LHPA and CSU Vet students Suzie Richards and Jo Ward
This report details two cases involving neurological signs and sudden death in horses.Two different properties
were involved, however both were in relatively close proximity to each other along the Lachlan River ... Read more
New compulsory animal welfare standards | Posted March 2012
Written by: Dr Kevin de Witte, Animal Health Australia
The development of the Australian Animal Welfare Standards and Guidelines for land transport of livestock,
cattle and sheep represents a significant collaboration between governments, the industry councils and animal
welfare non-government organisations ... Read more
New faecal PCR test for paratuberculosis | Posted April 2013
Written by: Richard Whittington1, Karren Plain1 and Ian Marsh2
1Faculty of Veterinary Science, The University of Sydney, Camden and
2Elizabeth Macarthur Agricultural Institute, Menangle
In this report the results of validation of a new faecal PCR for detection of Mptb are described. This test is
called the High Throughput Johnes (HT-J) test and will be offered through animal health diagnostic
laboratories in Australia following approval ... Read more
NSW dashboard for gastrointestinal nematodes & anthelmintic resistance in ruminants | Posted August 2025
Written by: Jan Šlapeta and Emily Francis, Sydney School of Veterinary Science, The University of Sydney, and
Janina McKay, Elizabeth Macarthur Agricultural Institute, NSW DPI, Menangle
We have developed a rapid molecular diagnostic approach that identifies parasite species and screens for resistance to
levamisole and benzimidazoles in livestock gastointestinal nematodes ... Read More
NSW peri urban biosecurity program: looking back, looking ahead | Posted December 2019
Written by: Nicole Schembri, DPI, Newington
The Peri Urban Program covers the urban-rural interface or urban fringe. It is a dynamic area or transitional
zone consisting a mix of urban and rural activities, including a complex blend of commercial,
rural-residential and varied agricultural uses ... Read more
A novel outbreak of Brucella suis in a veterinary practice: a One Health investigation | Posted August 2025
Written by: Cecily Moore and Emily Gibson
An outbreak of brucellosis was identified at a veterinary practice following notification of several cases amongst
staff, the first known outbreak of this nature in Australia ... Read More
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Omphalitis in layer chicks | Posted September 2016
Written by: Kate Peffer, District Veterinarian Central Tablelands LLS
Omphalitis, colloquially known as yolk sac infection, is the main infectious cause of chicken mortality in the
first week post-hatching and accounts for large economic losses to the poultry industry ... Read more
Osteomalacia in grower pigs | Posted August 2008
Written by: Shaun Slattery, District Veterinarian; Siobhan Egan, Veterinary Intern
Pigs becomes afflicted with hindlimb paralysis and loud squealing when disturbed ... Read more
Oyster farming and inputs from veterinay science | Posted April 2013
Written by: Richard Whittington and Ika Paul-Pont,
Faculty of Veterinary Science, The University of Sydney, Camden
Aquaculture is one of the fastest-growing industries producing animal protein to feed a growing global
population. FAO predicts that in the next decade, the total output from capture fisheries and aquaculture will
be greater than that of livestock or poultry ... Read more
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Parasites and free-range poultry: cause, effect and treatment | Posted July 2019
Written by: Rod Reece, Veterinary Pathologist, NSW DPI, State Veterinary Diagnostic Laboratory, EMAI,
Menangle
With the encouragement of non-caged systems, especially free-range poultry production, there has been a
concomitant rise in the prevalence, incidence, and significance of internal parasites ... Read More
Peste des petits ruminants (PPR) too early to panic but too late to ignore | Posted March 2012
Written by: Bruce Watt, Tablelands Livestock Health and Pest Authority, Bathurst
Gareth Bath, Dept Production Animal Studies, Faculty of Veterinary Science
University of Pretoria
"Perversely ... as one morbillivirus of farm animals ceases to be important, another moves to centre stage.
Deaths among small ruminants due to PPRV continue to mount in the form of rolling epidemics moving across
international borders ..."Read more
Pinery fire in South Australia 2015 - Lessons learned | Posted March 2016
Written by: Nigel Baum, PIRSA Biosecurity SA Animal Health, Clare SA
The fire began near the Adelaide Plains grain-growing locality of Pinery, 70 kilometres due north of
Adelaide's centre, at midday on Wednesday 25 November, 2015. With winds reaching 100 km/h, the fire rapidly
spread ... Read more
Plus ça change, plus c'est la même chose | Posted July 2023
Written by: Dan Salmon, retired District Veterinarian
The public animal health service of NSW has a proud history of achievement in the control and eradication of
infectious diseases in domestic livestock ... Read more
Porcine encephalomyocarditis | Posted May 2021
Written by: Dr Kristi Arnot, DV Hunter LLS and Hunter McDougall Monk, final year Veterinary Student
CSU
A farmer reported that 17 piglets had died in the previous twenty-four hours with seven additional piglets
found dead that morning, with all piglets being six weeks of age ... Read more
Porcine epidemic diarrhoea | Posted March 2015
Written by: Amanda Lee, Senior Veterinary Officer (pigs and poultry), NSW DPI, Menangle
Porcine epidemic diarrhoea (PED) is characterised by acute, rapidly spreading viral diarrhoea. Pigs are the
only known hosts of PEDv. There are no public health or food safety concerns ... Read more
Porcine proliferative enteritis caused by Lawsonia intracellularis in weaner pigs | Posted
December 2018
Written by: Lucienne Downs, District Veterinarian, Central Tablelands LLS, Thomas Westermann, Veterinary
Pathology Resident, EMAI and Leah Manning, Veterinary Pathologist, EMAI
Many terms have been used to describe this disease, including: porcine hemorrhagic enteropathy, porcine
intestinal adenomatosis, necrotic enteritis, regional or terminal ileitis, ileitis, and garden-hose gut ... Read More
Possible haemonchosis in camels | Posted August 2007
Written by: FJA Neilson, District Veterinarian
Signs of anemia and high faecal egg counts ... Read more
PPMV1, Melbourne to Sydney reflections on the tales of two cities | Posted April 2013
Written by: George Arzey, Senior Veterinary Officer, NSW DPI,
Elizabeth Macarthur Agric. Institute Menangle, NSW
PPMV1 (Pigeon paramyxovirus) was first reported in Shepparton, some 200 km from Melbourne in a flock of
Persian High Flyers. On 2/9/2011 a veterinarian in Melbourne, that had consulted Persian High Flyer pigeon
lofts suffering high mortality for a week since the 27/8/11, was alerted by a call from Vic DPI informing him
about the diagnosis of PPMV1 in Shepparton ... Read more
Prevalence of methicillin-resistant Staphylococcus aureus (MRSA) carriage among pet dogs in remote
NSW | Posted April 2017
Written by: Gemma Ma, Jacqui Norris, Michael Ward, Sydney School of Veterinary Science, the University of
Sydney
A survey of dogs and cats living in the communities of Bourke, Enngonia, Brewarrina, Goodooga and Weilmoringle
in remote north-west NSW was conducted in September and October 2016 to estimate the prevalence of MRSA
carriage ... Read more
Producer disease reporting | Posted January 2023
Written by: Zi Yi Lim, District Veterinarian, Western Local Land Services, Broken Hill
This paper examines producer's abilities to recognise disease, their decision to report disease and actions
they subsequently take ... Read
more
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Q Fever: A notifiable disease in humans | Posted March 2011
Written by: Ian Lugton, SDV, SELHPA, Bega and Anthony Brown, A/Prof, Sydney University Medical School,
Dubbo
E. H. Derrick first reported in 1937 on ‘Query Fever’. The disease first identified in
Brisbane abattoir workers is now known as Q fever. Derrick sent the organisms isolated to McFarlane Burnet ...
Read more
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Rabies - a timely reminder | Posted March 2012
Written by: Alan Taylor, Central West LHPA
More than 55,000 people (mostly in Africa and Asia) die of rabies each year - that equates to one person every
ten minutes ... Read more
Rabies and Lyme Disease - challanges in disease control | Posted March 2011
Written by: Matthew Ball, Senior District Veterinarian, Lismore
The control and eradication of animal diseases should be based on an understanding of their epidemiology and
the methods available for their diagnosis, prevention and treatment ... Read more
Rabies preparedness and response in Northern Australia | Posted April 2017
Written by: Professor Michael Ward, Sydney School of Veterinary Science, The University of Sydney
A state-transition disease spread model has been developed and parameterized. Individual dogs are the unit of
interest; at any point in time they can exist in only one of four mutually exclusive states: susceptible to
rabies infection; latently-infected; infectious; and removed ... Read more
Red Racer disease | Posted March 2016
Written by: Dr Jillian Kelly, Regional Veterinarian CWLLS
In August 2015, Central West Local Land Services ran a mock Emergency Animal Disease Exercise in the Dubbo
area ... Read more
Respiratory disease in small poultry flocks - differential diagnosis | Posted April 2013
Written by: George Arzey, Senior Veterinary Officer,
Elizabeth Macarthur Agricultural Institute, Menangle NSW
Considering that the avian respiratory system served dinosaurs well 175-250 million years ago, at a period
when low environmental oxygen and high temperature affected the planet; this combination of flow-through
ventilation and crosscurrent exchange allows birds to extract up to 160% more oxygen from the air than mammals
... Read more
Response to bushfires: NSW perspective | Posted March 2016
Written by: Elizabeth Braddon, Local Land Services, Riverina
In Southern NSW, bushfires are a considerable risk to livestock producers and rural communities almost every
year.As a veterinarian with the Local Land Services, we are typically contacted to assess and perform humane
destruction of livestock that are affected ... Read more
Review of a regional disease investigation surveillance system | Posted March 2011
Written by: Matt Ball - Senior District Veterinarian, NC LHPA, Lismore
Kate Finlayson, Veterinary Intern, Sydney University
Paul Freeman - Regional Veterinary Officer, NSW I&I, Wollongbar
Animal health policy makers need to be given adequate information about the nature of
the animal disease monitoring and surveillance system of their regions.
Such information can be used to make decisions ... Read more
Review of the records of Chlamydia and SBE diagnoses in the Wagga Wagga RLPB | Posted March
2011
Written by: Tony Morton, District Veterinarian Hume LHPA,
Megan McGrice CSU 6th year vet student,
Joss Hoogstraten CSU 6th year vet student
There
were 27 sheep investigations recorded with 11,505 sheep at risk, 516 sheep
affected (includes deaths) and 44 deaths ... Read more
Rickets in grower pigs | Posted December 2021
Written by: Kate Atkinson, District Veterinarian, Coonabarabran
This report describes a case of rickets in grower pigs due to chronic nutritional imbalances ... Read More
Role of vaccination in foot-and-mouth (FMD) control | Posted April 2013
Written by: Therese Wright, Biosecurity NSW
As vaccinated animals are less likely to be infected and, if they are infected can be expected to shed less
virus, vaccination can be used to minimise spread of disease particularly in areas at high risk of rapid
transmission or in an outbreak ... Read more
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Sarcoptes scabei var suis | Posted July 2012
Written by: Kylie Greentree, DV Cumberland Livestock Health and Pest Authority
Seven piglets, five weeks of age, had very thickened skin, alopecia, severe rubbing and shaking ears, with
multiple scabs mostly over head and forequarters ... Read more
Science and research within the Livestock Health and Pest Authorities: a few tips from experienced
practitioners | Posted April 2013
Written by: Ian Lugton, District Veterinarian, SELHPA, Bega and
Greg Curran, Veterinary Officer, DPI, Broken Hill
As District Veterinarians you will always be in the best position to do something significant, a research
project perhaps, that someone else can’t easily do or would find more difficult to achieve. All good
research starts with field observations, which puts field veterinarians in the box seat ... Read more
Smallholder livestock producers in Australia - biosecurity and knowledge transfer | Posted March
2016
Written by: M Hernández-Jover, L Hayes, J-A LML Toribio, R Woodgate, L Rast
Practices of smallholder livestock producers are perceived to pose biosecurity risks. The aim of the current
study was to investigate biosecurity, disease management and communication networks of smallholder producers
... Read more
The state veterinary service in New South Wales | Posted September 2018
Written by: Dan Salmon
The early iterations of government veterinary service were based on the English genesis of the profession as
superior farriers rather than the European concept of scientists protecting livestock industries ... Read more
Stillbirths and abortions...goats kick it in the drought | Posted February 2021
Written by: Sarah Maher, District Veterinarian Dubbo
Contact was made by a goat producer who was experiencing abortions in his commercial boer goat herd for the
second consecutive year ... Read
more
Streptococcus suis infection in humans - an emerging disease? | Posted August 2008
Written by: Eliz Braddon, District Veterinarian
Strep suis is commonly found in pigs. What of the people who work with them ... Read more
Sudden death in camels, suspected from Clostridium perfringens type A infection | Posted May
2021
Written by: Linda Searle, District Veterinarian, Deniliquin
Many veterinarians have little to no experience dealing with uncommon species. This case shows that much of
what is known from commonly-dealt-with species is also applicable to other species ... Read more
Sudden death in some milking buffalo | Posted January 2019
Written by: Dr Emma Jacobs, Murray Bridge Veterinary Clinic, SA
A total of 21 buffalo calves died, most with initial lethargy, dropping dead, or being found dead in the
morning ... Read more
Sudden death in sows caused by Clostridium perfringens | Posted August 2021
Written by: Jeremy Rogers, Senior Veterinary Officer, PIRSA, Murray Bridge, SA and Effie Lee, Veterinary
Pathologist, Gribbles Veterinary Pathology, Glenside
Three sows, perfectly normal the previous evenings, had been found dead in the farrowing pens about one week
after farrowing ... Read More
Surveillance for changing endemic diseases | Posted July 2023
Written by: Shaun Slattery, District Veterinarian, North West Local Land Services
The minimal additional resources required to monitor for changes in endemic diseases suggests we are
underfunding endemic disease surveillance ... Read more
Surveillance of swine brucellosis and leptospria spp. in feral pigs (Sus scrofa) and the potential
risks to humans and livestock in northern NSW, Australia | Posted April 2013
Written by: Camila Ridoutt1, Amanda Lee1, David Jordan1, Barbara
Moloney1 and Peter Massey2
1New South Wales Department of Primary Industries
2Hunter New England Population Health
Zoonotic diseases such as swine brucellosis and leptospirosis are infections of near global distribution with
serious health implications for humans and animals. Swine brucellosis exposure in humans follows occupational
and recreational activities such as feral pig hunting or laboratory work as well as food borne infections from
inadequately cooked feral pig meat ... Read more
A survey of leptospiral exposure in livestock and feral pigs - interim results - Central West LHPA |
Posted April 2013
Written by: Jillian Kelly, District Veterinarian CWLHPA, Coonamble & Nyngan
Susan McClure, Research Veterinarian CWLHPA, Dubbo
Neil Charman, Strategic Technical Manager-Extensive Livestock Business Unit,
Pfizer Animal Health Australia
Leptospirosis causing clinical disease has been diagnosed infrequently by veterinarians over the last five to
ten years; however cattle producers in the area often enquire whether vaccination is necessary. This study
aims to address this question ... Read more
Suspect case of post-weaning multisystemic wasting syndrome | Posted August 2008
Written by: Phillip Kemsley, District Veterinarian
A disease complex in weaner pigs first presented in January 2005 ... Read more
Suspect enterotoxaemia Type D in a llama (Lama glama) | Posted March 2024
Written by: Shaun Slattery, District Veterinarian, Local Land Services, Narrabri
This case report outlines an investigation into sudden death in a llama where many of the predisposing factors
and gross pathology common with enterotoxaemia Type D in sheep were present ... Read More
Swine brucellosis in a small domestic piggery | Posted November 2024
Written by: Megan Davies, District Veterinarian and Emergency Management Coordinator, Narrabri
This case involved B. suis infection in domestic dogs and domestic pigs following contact with feral pigs ...
Read More
Swine pox infection in non-commercial pig herd NW NSW | Posted August 2022
Written by: Justine McNally BVSc., District Veterinarian, Moree
A farmer called in late January as five piglets from his most recent litter presented with multiple, round,
raised lesions over their entire bodies ... Read more
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Testicular seminoma diagnosed and Brucella suis excluded in a feral boar in south-east NSW | Posted November 2024
Written by: Alexandra Stephens, District Veterinarian, Yass
A local producer who had shot a feral boar the evening before was very concerned that the boar had noticeably swollen
testicles ... Read More
Tetanus in goats | Posted in December 2012
Written by: Matt Ball, Senior District Veterinarian Lismore, NSW
In September 2012 at least eight goats, including a number of kids, had been found dead with no obvious signs
of disease prior to their death. In early October two live goat kids of approximately eight weeks of age were
found in lateral recumbency, unable to stand ... Read more
The North Coast LHPA and emerging disease detection - risk analysis by a worked example | Posted July
2012
Written by: Matt Ball, Senior District Veterinarian North Coast LHPA
The disease investigation service of the North Coast Livestock Health and Pest Authority (NCLHPA) is a busy
and capable component of the regions livestock disease surveillance system ... Read more
The veterinarian-horse owner relationship in Australia | Posted April 2017
Written by: Charis Hiia, Kathrin Schemanna, Melanie Taylorb, Jenny-Ann
Toribioa, Anke Wiethoeltera, Nicole Schembrib, Kate Sawforda,
Nina Kungc, Hume Fieldce, Barbara Moloneyd, Therese Wrightd and
Navneet Dhanda
aThe University of Sydney;bWestern Sydney University;cQueensland Department
of Agriculture and Fisheries;dNSW Department of Primary Industries;eEcoHealth
Alliance
The veterinarian-horse owner relationship is considered very important for animal welfare, biosecurity
engagement programs, and passive surveillance. This study was conducted to understand the veterinarian-horse
owner relationship in the context of the issues surrounding Hendra virus vaccine uptake ... Read more
Tips and tools for decision making and clinical / field trial planning - sample size | Posted March
2011
Written by: Helen McGregor, DV Hume LHPA
One of the main aims in planning a clinical trial is to provide ‘conclusive evidence of efficacy’.
However, as field vets and scientists we should also recognise ... Read more
Tracing during the 2021 COVID-19 pandemic | Posted May 2022
Written by: Megan Davies, District Veterinarian and Emergency Management Coordinator, North West Local Land
Services, Narrabri
In June 2021, the number of cases of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2, COVID-19) in
NSW began to increase, due to a Delta Variant outbreak ... Read More
Trypanosomes - A millstone for the developing world and an insidious threat to Australian livestock |
Posted March 2015
Written by:Bruce Watt, Central Tablelands Local Land Service, Bathurst NSW
Pathogenic forms of trypanosomes are the major constraint to livestock production in much of Africa and also
cause losses in South America and Asia. In Australia, the species found in livestock are not obviously
associated with disease ... Read more
Tularaemia | Posted April 2017
Written by: Kate Wingett, NSW DPI, Orange
Tularaemia is a zoonotic disease caused byFrancisella tularensis, is an OIE-listed disease and is
currently an emergency animal disease in NSW and Australia ... Read more
Turtle mortalities on the Bellinger River | Posted May 2015
Written by: Sarah Britton, Animal Biosecurity & Welfare, NSW Department of Primary Industries
(DPI)
In mid-February 2015, an increasing number of sick and dead turtles were reported from a section of the
Bellinger River, presenting as emaciated and with severe eye lesions causing blindness ... Read more
Two cases of caprine listeriosis | Posted December 2012
Written by: Jacob Stone (final year veterinary student, The University of Sydney),
Michelle Monaghan (Lithgow Veterinary Hospital),
Alison Wardman, (Lithgow Veterinary Hospital) and Bruce Watt (Tablelands LHPA, Bathurst)
In early July, a buck showing signs of hypersalivation, stupor and recumbency before death was autopsied. Two
weeks later, the owner found a 3-year-old doe that was separated from the group, showing signs of
disorientation, circling, followed by recumbency, leg paddling and death ... Read more
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Ventral oedema in Angora goats | Posted January 2014
Written by: Melissa Sullivan (student Charles Sturt University), Michelle Monaghan (Lithgow Veterinary
Hospital), Diane Ryan (NSW DPI, Menangle) and Bruce Watt (Central Tablelands Local Land Services,
Bathurst)
South African angora goats produce some of the finest mohair in the world but unfortunately, this selection
for high quality fleeces has been linked to traits of reduced fitness, including a susceptibility to ventral
oedema, known colloquially as ‘water belly’ or ‘swelling disease’ ... Read more
Veterinarian attitudes towards infection control practices | Posted April 2013
Written by: Navneet Dhanda, Karen Dowda, Mel Taylorb, Claire
Hookera and Jenny-Ann Toribioa
aThe University of Sydney;bUniversity of Western Sydney
Animal health professionals have inherently high risks of exposure to zoonotic diseases. They are likely to be
amongst the first people to encounter animals infected with zoonotic pathogens and to engage in high-risk
interactions with them ... Read more
Vets in public practice in NSW | Posted September 2018
Written by: Richard Whittington, University of Sydney
The newspapers, electronic and on-line media regularly report items of great relevance to pubic practice
veterinarians; so often in fact that it might go unnoticed, just like public practice vets themselves ... Read more
Veterinary diagnostics - the future: more than the laboratory | Posted March 2012
Written by: Adrian W. Philbey, NSW Department of Primary Industries, State Veterinary Diagnostic
Laboratory, EMAI
We are moving into the age of molecular diagnostics, with potential for high throughput, rapid turnaround and
highly specific molecular detection of pathogens in veterinary species ... Read more
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Walking on the dark side - the highs and lows of product development | Posted June 2023
Written by: Dr Peter Rolfe, BVSc, Dip Vet Clin Studies, PhD, District Veterinarian, Yass
The paths for a commercial product being available on the shelf are often tortuous, serendipitous or can just
be lucky accidents ... Read more
Wallaby louse flies infesting eastern grey kangaroos on the Central Tablelands of NSW | Posted
November 2023
Written by: Bruce Watt, Central Tablelands LLS, David Britton and Narelle Sales, EMAI, Menangle
A landholder from northeast of Bathurst noticed 10-15 flies on the body of an eastern grey kangaroo ... Read More
Wild Bird Mortalities | Posted April 2013
Written by: Matt Ball, Senior District Veterinarian Lismore, NSW
A beef cattle producer, located at Eureka NSW (near Lismore), reported to the North Coast LHPA the death of
wild birds on his farm. The deaths began in mid January 2013 and all the birds were being found in one
particular paddock ... Read
more
Wildlife health incidents and investigations | Posted April 2017
Written by: Claire Harrison, NSW DPI Orange
Wildlife health incidents are inherently complex; complicated with difficulties such as remote locations, lack
of accurate ecological data, cross-jurisdictional or cross-agency responsibilities, unrecognised clinical
signs or mortalities and lack of validated diagnostic tests ... Read more
Wildlife necropsy technique | Posted June 2023
Written by: Nicole Dobson, Karrie Rose, Heather Fenton and Jane Hall, Australian Registry of Wildlife
Health, Taronga Conservation Society
Wildlife necropsies can be approached in a similar fashion to domestic species, with the major points of
difference emanating from ... Read
more
Working dog welfare and behavioural genetics | Posted December 2019
Written by: Elizabeth Arnott, DPI, and Jonathan B. Early1, Claire M. Wade2, Paul D.
McGreevy1
1 Sydney School of Veterinary Science, University of Sydney; 2 School of Life and Environmental Sciences,
University of Sydney
Data from a questionnaire completed by 812 livestock herding dog owners on 4,027 dogs revealed that livestock
working dogs typically provide a lifelong working contribution valued at approximately A$40,000 ... Read more
Worm control in horses — part 1 — it's all changed | Posted December 2018
Written by: Petrea Wait, District Veterinarian, Local Land Services Monaro
Once upon a time, every horse owner was taught that all horses should be wormed every six to eight weeks for
the rest of their lives ... Read
More
Worm control in horses — part 2 — worm egg counts and drenching in practice | Posted
February 2019
Written by: Petrea Wait, District Veterinarian, Local Land Services Monaro
What follows are some practical examples based on a real horse enterprise with a variety of horses of
different ages and management types ... Read More
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ↑ Top↑
Y
Yersinia enterocolitica abortion in a doe | Posted September 2012
Written by: Ian Poe, Mid Coast LHPA and Bruce Watt, Tablelands LHPA
In sheep,Y enterocolitica caused a severe generalised bacterial infection of the foetus. The following
report is of a case of placentitis and abortion in a maiden Boer doe ... Read more
Yersinia enterocolitica enteritis in a goat herd | Posted May 2022
Written by: Judy Ellem, District Veterinarian North West Local Land Services, Gunnedah NSW
This case report describes a case of watery diarrhoea, weight loss, submandibular oedema and deaths affecting
a herd of goats in North West NSW ... Read More