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Abomasal emptying defect of sheep | Posted March 2012
Written by: Colin Peake, Riverina Livestock and Pest Authority, Hay and Patrick Staples, NSW State Veterinary Diagnostic Laboratory, Menangle
Abomasal emptying defect is an idiopathic syndrome of abomasal distension and impaction described in Suffolk and Hampshire sheep primarily ... Read More
Adverse reaction to Tetravet flexi-dose Oxytetracycline PVP injection® | Posted June 2011
Written by: Tony Morton , DV, Hume LHPA
With the withdrawal of penicillin/streptomycin from the market there
has been a move to the use of long-acting tetracyclines ... Read More
Age, liveweight and immunity of lambs to worms | Posted July 2012
Written by: Susan McClure, DV Central West LHPA
Lambs frequently fail to develop protective immunity to gastro-intestinal nematodes resulting in direct losses from mortality and decreased production, and indirect costs associated with treating ... Read More
Anthelmintic resistance survey in the Central West LHPA | Posted April 2013
Written by: Evelyn Walkera, Neil Charmanb, Jillian Kellya, and Susan McClurea
a. District Veterinarian, Central West LHPA, Dubbo
b. Veterinarian, Pfizer Animal Health Australia
Internal parasites are ranked the highest costing disease in the Australian sheep industry followed by flystrike, lice, and post weaning mortality ... Read More
Arthritis in sheep | Posted August 2010
Written by: Bruce Watt, District Veterinarian, Central Tablelands RLPB
Infectious arthritis is a common problem in young Australian sheep and ... Read More
Barbervax: Potentially a new tool for the control of barber's pole worm of sheep | Posted April 2013
Written by: Smith, W.D*., Newlands, G.F.N*., Fitzpatrick, J.L*, Dobson, R.# and Besier, B+.
*Moredun Research Institute, Pentlands Science Park, Edinburgh, UK.
#Murdoch University, Western Australia.
+Department of Agriculture and Food Western Australia, Albany WA.
An application is about to be submitted to the Australian Pesticide and Veterinary Medicines Authority (APVMA) seeking authority to launch "Barbervax", a novel vaccine to aid in the control of Barber's pole worm ... Read More
Bone problems in lambs on grazing cereals | Posted August 2008
Written by: Bruce Watt, District Veterinarian, Central Tablelands RLPB
Lambs are reported to develop skeletal problems due to calcium deficiency, internal parasitism, copper deficiency... Read More
Bacterial rhinitis in merino ewes | Posted May 2007
Written by: Eliz Braddon, District Veterinarian, Young RLPB
Severe nasal discharge with swollen nasal planes and upper lip, combined with ... Read More
Bloat on faba beans in weaned lambs | Posted: October 2010
Written by: Gabe Morrice, District Veterinarian, Riverina LHPA
A trail of faba beans to get the lambs into the yards, followed by a big drink of water leads to losses ... Read More
Bloat, frothy, in sheep | Posted October 2010
Written by: Ian Masters, Hume LHPA and Bruce Watt, Tablelands LHPA
This report details two cases, one confirmed by autopsy ... Read More
Brachygnathia, cardiomegaly and renal hypoplasia syndrome in poll merino lambs | Posted August 2010
Written by: Peter Windsor, Faculty of Veterinary Science, University of Sydney
A poll merino breeder reports episodic freak lambs with a poor survival rate ... Read More
Branhamella ovis and Chlamydia pecorum isolated from a case of conjunctivitis (with some polyarthritis) in lambs | Posted April 2013
Written by: Evelyn Walker, District Veterinarian, Central West LHPA, Dubbo
The eye lesions consisted of bilateral conjunctivitis, an ocular discharge ranging from clear to yellow, yellow crusts, and swollen conjunctivial membranes with or without hyperaemia ... Read More
Case of lupinosis | Posted December 2012
Written by: Eliz Braddon, SDV Lachlan LHPA
An owner was confronted with 30 dead sheep and at least that many staggering and apparently blind out of 1000 two-year old Merino ewes ... Read More
Chronic fasciolosis with aberrant mature fluke | Posted April 2013
Written by: Bruce Watt (Tablelands Livestock Health and Pest Authority) and Patrick Staples (State Veterinary Diagnostic Laboratory, Elizabeth MacArthur Agricultural Institute, Menangle)
Over the past three months, two of five mature White Suffolk rams died after losing weight. Most of the cohorts had also lost weight and appeared lethargic. They had grazed low-lying wet paddocks during joining in the summer ... Read More
Coccidiosis infection in merino lambs post weaning | Posted July 2012
Written by: Steve Eastwood - Senior District Veterinarian, New England LHPA
In March 2012 a stud/commercial Merino operation experienced scouring in a mob of commercial Merino lambs ... Read More
Colitis typhlitis in weaned lambs | Posted August 2007
Written by: Dan Salmon, District Veterinarian, Riverina RLPB
Investigates two incidents of haemorrhagic enteritis following transport of weaned lambs over
long distances ... Read More
Contagious ecthyma (scabby mouth / orf) in young rams, an unusual presentation | Posted December 2012
Written by: Libby Guest, District Veterinarian, North West LHPA
The rams did not have the typically lesions affecting the mucocutaneous junctions of the mouth and nose but had hyperkeratotic, proliferative papillary projections on the ears and dorsal cranium ... Read More
Dermatosparaxis in a white dorper flock | Posted March 2012
Written by: Jillian Kelly, District Veterinarian, Central West Livestock Health & Pest Authority, Coonamble & Nyngan
Dermatosparaxis is an inherited connective tissue disorder that results in the deposition of abnormal collagen in the skin, leading to the skin losing its strength, and becoming fragile ... Read More
Dorsal skin lesions after ram shearing in far northwest: a complex aetiology | Posted March 2012
Written by: Greg Curran, Veterinary Officer, DPI, Broken Hill
While testing for ovine brucellosis in two ram flocks in Far Northwestern NSW in December 2011, a high prevalence of back lesions was observed. The lesions varied from severe to trace, with some rams not affected. The lesions involved loss of wool and skin, with some crusting ... Read More
Drench resistance on the northern tablelands | Posted April 2013
Written by: Andrew Biddle, New England LHPA (Glen Innes)
Resistance to anhelminthics is not a new phenomenon and starts the very first time a drench is used. In fact, the only way not to select for drench resistance in sheep is not to drench them at all ... Read More
Drench resistance survey – Lachlan LHPA | Posted March 2012
Written by: Eliz Braddon, SDV Lachlan LHPA
Within the Lachlan LHPA there is increasing concern, real or perceived, amongst ratepayers that the highly expensive anthelmintics they are using are failing to adequately control these parasites ... Read More
Drought lot Listeria abortions and some unexpected other diseases | Posted March 2012
Written by: A G Morton, District Veterinarian, Hume Livestock Health and Pest Authority
A series of drought years had degraded the lucerne based pastures on a property north of Wagga Wagga As a result the sheep enterprise relied on stubbles for summer feed and drought lots in late autumn utilising pea and canola pit silage and grain ... Read More
Dystocia in maiden Dorper ewes | Posted September 2011
Written by: Derek Lunau, DV Moree
Dystocia is a common problem in lambing ewes. A definition of dystocia is lambing which takes more than one hour after rupture of the foetal membranes ... Read More
Epidemiology of gastrointestinal nematodes in sheep grazing irrigated summer pastures | Posted March 2012
Written by: Dan Salmon, SDV Deniliquin
The epidemiology of gastrointestinal nematodes in summer rainfall and winter rainfall and even the uniform rainfall area has been fairly well described. This paper is a belated report on trial work done many years ago ... Read More
Erysipelas arthritis in crossbred ewes | Posted August 2007
Written by: Bruce Watt, District Veterinarian, Central Tablelands RLPB
A case of poor performance in a ewes flock that culminated in severe arthritis and ... Read More
Foot abscess in merino ewes and first cross lambs | Posted July 2012
Written by: Toni Jericho, LH Ranger and Shaun Slattery, SDV North West LHPA
Wet weather and flooding in late summer-autumn resulted in a number of reports of foot abscess in the western parts of the North West LHPA ... Read More
Goitrogenic compounds causing congenital goitre in Poll Dorset lambs | Posted September 2011
Penelope Hasson and Penelope Brown, 5th year Veterinary Science Students,
University of Sydney
Robert Watt, Cowra, private veterinary practitioner
Bruce Watt, Senior District Veterinarian, Tablelands Livestock Health and Pest Authority
Last spring lambing (2010), the producer noted a reduced lambing rate compared with normal years, in addition to an increased number of late term abortions and stillbirths ... Read More
Grain engorgement in weaner lambs | Posted May 2007
Written by: Eliz Braddon, DV Young RLPB
Sudden death in weaner lambs with one animal with intriguing respiratory grunts ... Read More
Grain overload and polioencephalomalacia in Dorper cross lambs | Posted September 2011
Written by: Andrew Biddle - District Veterinarian, New England LHPA
Six lambs were found dead in the paddock and a visit was scheduled for the following morning when 4 more animals had to be picked up while mustering ... Read More
Grain poisoning in merino ewes on wheat stubble | Posted August 2009
Written by: Katherine Marsh, DV Central West LHPA
Losses in ewes on wheat stubble with no apparent grain spills was investigated... Read More
Grain poisoning treated with virginiamycin and ad lib sodium bicarbonate | Posted August 2009
Written by: Tony Morton , DV, Hume LHPA
In the face of high mortality in sheep provided access to a paddock with grain spills ... Read More
Grass seed infestation of ear of lambs with penetration through the auditory meatus | Posted June 2011
Written by: Dan Salmon, District Veterinarian, Riverina RLPB
Grass seed penetration is a significant problem of domestic animals with the barbed awns of many native and introduced grass species penetrating the ears ... Read More
Gudair® vaccine efficacy | Posted August 2010
Written by: Josephine Gollan, Jeff Eppleston, Navneet Dhand, Peter Windsor,
Faculty of Veterinary Science, University of Sydney
The influence of management factors on the efficacy of Gudair® vaccine is studied ... Read More
Haemochromatosis in two mobs of sheep | Posted August 2010
Written by: Gabrielle Morrice, District Veterinarian, Riverina LHPA
Two properties reported weight loss, lethargy and listlessness on a good diet ... Read More
Haemonchus dipstick test for detecting Barbers Pole worm in sheep | Posted August 2010
Written by: Mark Doherty, Technical Services Manager, Ancare Australia Pty Limited
The use of a test to detect traces of haemoglobin in faeces reflecting worm burdens ... Read More
Hypocalcaemia in sheep | Posted March 2012
Written by: Gabe Morrice, Riverina Livestock Health and Pest Authority, Narrandera
Hypocalcaemia in sheep is a non-seasonal, feed related condition that occurs predominantly in late pregnant and lactating ewes and weaner lambs. There is an increased incidence in older ewes and in multiparous ewes ... Read More
Hypoagnesaemia in sheep ? | Posted March 2012
Written by: Steve Whittaker and Brigit Pitman, Hume LHPA
Metabolic diseases have been identified as a cause of sheep deaths in NE Victoria since the 1960s. Metabolic diseases cause mortalities in Hume Livestock Health and Pest Authority sheep flocks each year ... Read More
Intestinal accident in fedlot lambs | Posted August 2007
Written by: Eloise Cotton Veterinary Intern, and Shaun Slattery DV Narrabri
Sudden death in lambs with post mortem signs redolent of Redgut, but something is not quite right ... Read More
Lachlan drench resistance trial | Posted April 2013
Written by: Elizabeth Braddon, SDV Lachlan
In September 2011, the Lachlan LHPA undertook a targeted surveillance project to assess the drench resistance profile of our commonly used drenches against the three sheep internal parasite pathogens ... Read More
Lameness and foot lesions in Dorper sheep | Posted June 2011
Written by: Jillian Lawrence, University of Sydney Intern and
Libby Read, District Veterinarian, North West LHPA
Three cases of lameness in Dorper sheep were investigated during December and January ... Read More
Lameness and losses in crossbred ewes affected by floodwater | Posted December 2012
Written by: Belinda Edmonstone, District Veterinarian, Lachlan LHPA, Forbes Office
At the end of February and beginning of March 2012, the Lachlan River catchment received heavy rain over what was already a saturated area, with eight hundred 2 year old crossbred ewes stranded in water for 5 days ... Read More
Larval hypobiosis Teladorsagia (Ostertagia) circumcincta | Posted March 2012
Written by: Dan Salmon, SDV Deniliquin
Inhibited fourth-stage larvae (L4) of Ostertagia ostertagi are an important factor in the development of clinical ostertagiasis of cattle in southern Australia before the development of anthelmintics effective against the larvae embedded in the abomasal mucosa ... Read More
Listeria ivanovii abortion in sheep associated with decaying plant matter | Posted December 2011
Written by: Tanya Rajkumar, Katie Boulton (final year veterinary students University of Sydney) and Elizabeth Braddon (Lachlan LHPA DV, Young) and Ian Masters (Hume LHPA DV, Gundagai) and Helen McGregor (Hume LHPA DV, Wagga Wagga) and Michael Hornitzky (Senior Principal Research Scientist, EMAI) and Bruce Watt (Tablelands LHPA DV, Bathurst)
Within the Listeria genus, Listeria monocytogenes and Listeria ivanovii are the most important pathogenic organisms in animals, with sheep being more susceptible to infection than cattle ... Read More
Listeriosis in silage-fed ewes | Posted December 2011
Written by: Ruth and Howard Thompson, Blayney Veterinary Hospital,
Erika Bunker, NSW State Veterinary Diagnostic Laboratory, Menangle,
BR Watt, Tablelands Livestock Health and Pest Authority, Bathurst
Listeria monocytogenes is a bacterium
capable of surviving and multiplying in a wide range of environments including
moist soil, the gastro-intestinal tract of normal animals and in silage that
has been exposed to air and has a pH of above 4.5 ... Read More
Mannheimia mastitis and concurrent pneumonia in merino ewes with lambs at foot | Posted August 2007
Written by: Bruce Watt, DV Central Tablelands
This report describes an occurence of Mannheimia mastitis with pneumonia in two merino ewes with lambs at foot ... Read More
Mannheimia pleuritis and bronchopneumonia in young merino lambs | Posted August 2007
Written by: Bruce Watt, DV Central Tablelands; Patrick Staples, OAI
This report describes an outbreak of Mannheimia spp pneumonia in two to four week old lambs ... Read More
Mycoplasma ovis in north western NSW | Posted July 2012
Written by: Libby Read, District Veterinarian, North West Livestock Health and Pest Authority
Mycoplasma ovis (formerly Eperythrozoon ovis) causes the disease known as eperythrozoonosis in sheep flocks throughout Australia ... Read More
Neurogenetic progressive ataxia in merino sheep: segmental axonopathy and cerebellar abiotrophy | Posted March 2011
Written by: Bruce Watt and Mandi Carr, Tablelands Livestock Health and Pest Authority and Zoe Spiers and Kaiser Dawood, State Veterinary Diagnostic Laboratory, Menangle
Studies conducted in the mid 1980s on progressive ataxia in Merino sheep identified two distinct clinical and pathological syndromes ... Read More
OJD High Mortality | Posted May 2007
Written by: John Evers, DV Young & Bruce Watt, DV Central Tablelands
High losses reported in the unvaccinated wether portion of a mixed merino flock ... Read More
OJD Staggers | Posted September 2011
Written by: BR Watt, Tablelands LHPA, Eliz Braddon, Lachlan LHPA, Sarah Robinson, NSW DPI and Tony Morton, Hume LHPA
Oil based vaccines, as used in Australia to control ovine paratuberculosis, provoke a local tissue reaction that can include granulomatous cellulitis and lymphadenitis. If the vaccine is incorrectly administered ... Read More
OJD - Adverse reactions to Gudair® vaccine | Posted May 2007
Written by: Tony Morton, District Veterinarian, Wagga Wagga RLPB
Discharging abscesses, granulomatous lesions in Wiltshire Horns ... Read More
Ovine Johnes Disease | Posted August 2007
Written by: Eliz Braddon, DV Young
A producer worried about thin sheep, with sporadic losses, but finding no relief with a thorough
drenching program ... Read More
Ovine hypocalcaemia conundrums | Posted March 2012
Written by: Bruce Watt, Tablelands Livestock Health and Pest Authority, Bathurst
Hypocalcaemia while sporadic, occasionally causes major losses especially in pregnant and lactating ewes. It was estimated for example that between 100,000 and 300,000 pregnant ewes die from hypocalcaemia each year in Victoria ... Read More
Ovine mastitis outbreak caused by suspected bite wounds to the udder | Posted March 2012
Written by: María Sánchez, Marta Borobia, Luís M. Ferrer, Aurora Ortín,
José M. González and Delia Lacasta
Animal Pathology Department, Veterinary Faculty,
University of Zaragoza. Spain
In this paper it is described an outbreak of acute mastitis as a result of bite wounds in the udder in a pre-partum meat sheep ... Read More
Ovine metabolic conditions encountered in Central West LHPA | Posted March 2012
Written by: Greg McCann BVSc, Senior District Veterinarian, CWLHPA
Sheep at the best of times don't give a lot away when being assessed by a clinician. This can be a daunting trait when the examining clinician does not have the benefit of experience ... Read More
Phalaris staggers | Posted September 2012
Written by: David Rendell, 60 Portland Rd Hamilton 3300
Phalaris staggers risk is a function of paddock soil cobalt levels, level of soil ingestion and level of phalaris dominance and palatability. Cases can occur at all times of the year but peaks in late winter ... Read More
Phalaris staggers persisting for seven months post exposure in crossbred lambs | Posted December 2012
Written by: Simon Choi (Veterinary student, University of Sydney), Anon,
Erika Bunker (State Veterinary Laboratory) and
Bruce Watt (Tablelands Livestock Health and Pest Authority, Bathurst)
A report of phalaris staggers affecting only the lambs from a mob of first cross ewes and lambs with deaths continuing to occur for seven months post exposure and clinical signs for eight months. ... Read More
Phosphorus deficiency in sheep – a case report | Posted March 2012
Written by: Bill Johnson, District Veterinarian, Tablelands LHPA, Goulburn
Symptoms of primary phosphorus deficiency are seen frequently in NSW cattle, when grazing mainly native pastures in coastal, rangelands, and more recently tablelands areas ... Read More
Photosensitisation caused by st john's wort | Posted March 2012
Written by: Evelyn Walker, District Veterinarian, Central West LHPA, Dubbo
A sheep producer from the Yeoval area reported problems with severe sunburn in one mob of 350 adult Merino ewes with 200 lambs at foot in late November 2011. The owner first noticed droopy ears and scabby faces ... Read More
Presumed lightning strike | Posted March 2012
Written by: Bruce Watt, Tablelands Livestock and Health Authority, Bathurst
The owner of a sheep property 45 km east of Bathurst presented a photograph of 15 of 70 sheep found dead under a tree ... Read More
Polioencephalomalacia in adult ewes in the tablelands of NSW | Posted March 2012
Written by: Nicole Burns, Charles Sturt University Veterinary Science Student
Alan Taylor, Central West Livestock Health and Pest Authority, Molong
Polioencephalomalacia (PEM) is a histological description of a neurological disease in ruminants that is a result of various aetiologies, including high sulphur intake, altered thiamine status, salt poisoning/water deprivation and lead poisoning ... Read More
Polioencephalomalacia in a merino flock | Posted August 2009
Written by: Steve Eastwood, District Veterinarian, New England LHPA, Armidale
In March 2008, 30 mixed aged, merino ewes died. The 500 head flock had been ... Read More
Post-mulesing arthritis | Posted March 2012
Written by: Greg Curran, Veterinary Officer, DPI, Broken Hill
About a week after mulesing, flockowners saw lambs with large swollen joints, were lame and found it difficult to move, feed and water ... Read More
Possible Arboviral Disease in Sheep | Posted September 2011
Written by: Matt Ball- District Veterinarian Lismore
A farmer near Grafton reported lambs being born in the winter of 2011 with twisted necks, a syndrome had also been seen the previous year on both his property and on the neighbour's property ... Read More
Primary copper poisoning in two flocks of ewes | Posted August 2009
Written by: Bruce Watt, DV Bathurst, Tablelands LHPA and
Tristan Maugauret, Veterinary Intern, The University of Sydney
In southeastern Australia the most common cause of copper poisoining is ... Read More
Pyrrolizidine alkaloid poisoning of sheep | Posted March 2012
Written by: D Salmon
Riverina Livestock Health and Pest Authority
Pyrrolizidine alkaloids are toxins contained in many plants of which two, heliotrope and Paterson’s curse, are common in southern NSW. The toxins cause liver damage ... Read More
Ram semen culture results | Posted August 2010
Written by: Greg McCann, Senior District Veterinarian, Central West LHPA, Dubbo
Culture results from ram semen indicate a range of organisms found, including ... Read More
Reflections of an ethologist | Posted April 2013
Written by: Geoff Green, Livestock Health Ranger, New England LHPA
The majority of our work was with sheep with excursions into research on cattle and wombats. Most of our sheep work was done with merinos with some small projects branching into work with the British breeds and merino crossbreds ... Read More
A review of vitamin B12 supplementation in sheep | Posted April 2013
Written by: Elizabeth Barter, final year veterinary student, University of Sydney
In recent years, the use of supplementary vitamin B12 in sheep to improve fertility and weight gain has increased. This use has extended to areas that do not have cobalt deficient soils and where deficiency of vitamin B12 in sheep is not suspected ... Read More
Review of a prolonged Brucella ovis eradication | Posted March 2012
Written by: Michaela Woolford, CSU veterinary student and
Libby Read, District Veterinarian North West LHPA
Brucella ovis infection is a major cause of epididymitis and infertility in rams, resulting in reproductive failure and significant economic losses ... Read More
Rickets in lambs on grazing cereal crops | Posted March 2012
Written by: Belinda Edmonstone, DV Lachlan LHPA Forbes
Rickets is a disease of young growing animals characterised by defective calcification of growing bones. Bones are subject to pressure distortion and fractures. Rickets can be caused by a deficiency in vitamin D, calcium and/or phosphorus or an imbalance of the calcium: phosphorus ratio ... Read More
Rock fern poisoning | Posted August 2007
Written by: Andew Thompson, DV Northern Slopes
Significant mortality following good rain with sheep collapsing on handling for ... Read More
Scabby mouth (Orf) in vaccinted sheep | Posted August 2008
Written by: Bruce Watt, DV Central Tablelands
Scabby mouth is a common disease of Australian sheep. On properties that vaccinate, subsequent disease is rare... Read More
Selected respiratory tract diseases of sheep in Spain | Posted April 2013
Written by: Delia Lacasta, Veterinary Faculty of Zaragoza, Spain
In part because of geography and in part because production systems are more intensive, respiratory diseases, while of some importance in Australia, are the most important cause of disease and mortality in Spanish sheep ... Read More
Sheep deaths associated with the administration of controlled-release capsules | Posted December 2012
Written by: Bill Johnson, District Veterinarian, Goulburn
Ewes were standing away from the mob, some apparently blind and unaware of their surroundings, for about twenty-four hours prior to being found dead. ... Read More
Sheep lice control - investments and activities | Posted August 2009
Written by: Jane Littlejohns, Project Manager, Animal Health and Welfare, AWI and Johann Schröderb, Program Manager, Animal Health, Welfare and Productivity, AWI
AWI has invested over $4 million on lice research and lice extension since 2000 ... Read More
Sheep lice prevalence in southern Tablelands NSW | Posted September 2012
Written by: S. Popp, Faculty of Agriculture, Food and Natural Resources, University of Sydney and J. Eppleston, Tablelands Livestock, Health and Pest Authority, Bathurst and B. R. Watt, Tablelands Livestock, Health and Pest Authority, Bathurst and S Mansfield, Faculty of Agriculture, Food and Natural Resources, University of Sydney and R. D. Bush, Faculty of Veterinary Science, University of Sydney, Camden
In response to suggestions that the incidence of louse infestations in New South Wales has increased markedly, a survey of 173 producers was conducted in the Tablelands Livestock Health and Pest Authority region using visual detection and a questionnaire to document retrospective lice history ... Read More
Sheep lice treatment trial: imidacloprid (avenge) resistance
or faulty product
application ? | Posted March 2012
Written by: Ian Masters, District Veterinarian, Gundagai
In August 2011, a producer from the Illabo district discussed his concerns with DV Wagga about possible imidacloprid resistance in sheep that had been treated with Avenge off shears the previous year ... Read More
A sporadic chondrodysplasia of unknown aetiology in lambs | Posted April 2013
Written by: BR Watt, Tablelands Livestock Health and Pest Authority, Bathurst NSW
This paper describes a sporadic chondrodysplasia in lambs. In the experience of the author, this disorder (or disorders) occurs at low prevalence across a wide area central NSW and it not associated with the presence of plants of the Trachymene genus ... Read More
Superphosphate poisoning in sheep | Posted July 2012
Written by: Eliz Braddon, Senior District Veterinarian Lachlan LHPA
Cases of superphosphate poisoning are reported as rare in the literature. The fact that I have seen two of these cases in seven years seemed unusual ... Read More
Suspect Sarcoptes infection in sheep and humans | Posted March 2012
Written by: Phillip Kemsley, District Veterinarian Casino
The owner reported hair loss around the eyes and ears in a 17 month old Damara x Dorper ewe ... Read More
Swayback in Western Division, NSW | Posted March 2012
Written by: Dermot McNerney, Veterinary Officer, Dareton,
Kaiser Dawood, Trainee Pathologist, EMAI
A visit was made to the property three days after viewing a video clip of a ewe and a lamb both with coordination difficulties. The lamb had complete loss of function in the hind limbs ... Read More
Thymic tissue found extrathoracically in Dorper lambs | Posted August 2010
Written by: Libby Read, District Veterinarian, North West LHPA (Narrabri-Walgett)
Submadibular, bilateral swellings appear in small numbers of Dorper lambs ... Read More
Tick borne diseases of sheep | Posted August 2010
Bruce Watt, Tablelands LHPA, Bathurst and
Michelle Dennis, Faculty of Vet Sc, University of Sydney
An overview of diseases spread by ticks in sheep that Australian veterinarians ... Read More
Urolithiasis due to an unbalanced diet in a Spanish lamb feedlot | Posted March 2012
Written by: Carlos Alcay, Luis Miguel Ferrer, Juan José Ramos,
Marta Ruíz de Arcaute, Marta Borobia and Delia Lacasta
Animal Pathology Department, Veterinary Faculty,
University of Zaragoza, Spain
In recent months (September-November, 2011) there have been sporadic deaths in feedlot lambs, a similar outbreak in 2010 caused a morbidity of 2% and mortality of 1% ... Read More
Urolithiasis in Lot-fed Crossbed Wethers on Commercial Pellets | Posted August 2007
Written by: Bruce Watt, DV Central Tablelands
Deaths among fed-lot crossbred wether lambs with swellings in the prepuce and ... Read More
Vertebral abscesses causing hindlimb paresis in lambes | Posted October 2010 Written by: Bruce Watt, DV Central Tablelands
Vertebral osteomyelitis is generally assumed to be an ascending infection post tail docking and/or mulesing ... Read More
Very sudden death in White Suffok ram lambs | Posted May 2007
Written by: Harry Suddes DV Murray
Sixteen, otherwise healthy, lambs found dead in a pile ... Read More
Weaner management project with Pfizer Eryvac - findings after the first year | Posted August 2008
Written by: Bruce Watt, DV Central Tablelands et al
High mortality and poor preformance in merino lambs is a well documented problem ... Read More
Welfare revolution of topical anaesthesia on wool sheep farms in Australia: is there a place for zylazine and / or NSAIDs ? | Posted March 2012
Written by: Peter Windsor, Crystal Espinoza, Sabrina Lomax, Faculty of Veterinary Science, University of Sydney, Camden
Mulesing of Australian Merino lambs with the ‘skin wrinkle’ phenotypes, provides effective life-long protection against the risk of ‘breech strike’ caused by Lucilia cuprina, the sheep blowfly. It is estimated that at least 2million sheep would die annually of flystrike if mulesing were banned ... Read More
WormBoss: capturing the information from Integrated Parasite Management in sheep | Posted April 2013
Written by: Lewis Kahn, Animal Science (W49) school of Environmental and Rural Science,
University of New England, Armidale NSW
Gastrointestinal nematode parasites impose the largest animal health cost to the Australian sheep industry. The majority of this cost is associated with production loss which occurs despite control strategies implemented on farm by sheep producers ... Read More
Within flock prevalence of non-footrot lesions in sheep and the impact of pre-lambing iodine supplementation on the expression of foot abscess | Posted July 2012
Written by: Bruce Watt and Jeff Eppleston, Tablelands Livestock Health and Pest Authority
Foot abscess (heel abscess, infectious bulbar necrosis, digital suppuration) is a necrotic then suppurative condition of the ovine foot predisposed by water maceration or other interdigital skin damage followed by a synergistic infection with ... Read More
Yersinia enterocolitica abortion in ewes | Posted September 2012
Written by: Bruce Watt, Tablelands Livestock Health and Pest Authority
In early August 2010, the owner of a mob of 180 mature Merino White Suffolk ewes noticed five dead premature foetuses and two live premature lambs ... Read More
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