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Case notes on veterinary investigations in sheep, cattle and other species

District Veterinarian Conference Broken Hill, March 2021


Case study of 'winter scours' in sheep in SA Mallee caused by nutrient deficiencies
Written by: Jeremy Rogers, Senior Veterinary Officer, Biosecurity South Australia
'Winter scours' syndrome in adult sheep and weaner lambs is a regularly occurring issue in some sheep flocks in particular parts of the southern Mallee in SA ... Read more

Chlamydia pecorum abortion in sheep
Written by: Pedro Pinczowski, NSW Department of Primary Industries, Biosecurity & Food Safety, EMAI, Menangle NSW
This report describes severe necrosuppurative placentitis with vasculitis, and foetal pyelonephritis and enteritis in late-term abortions of maiden ewes ... Read more

Footrot research update from the University of Sydney (2018-2021)
Written by: Om Dhungyel, Richard Whittington, Andrew McPherson and Karen Smith, Sydney School of Veterinary Science, The University of Sydney
The University of Sydney continues to offer a referral service and laboratory diagnostic service for footrot. This is quite a busy service assisting field veterinarians and farmers in the southern states ... Read more

Pilot study on the role of environmental factors on footrot outbreaks
Written by: Sandy Nguyen, Lachlan Ingram and Om Dhungyel, Sydney School of Veterinary Science, The University of Sydney
Pilot study to examine the role of environmental factors on the outbreaks of ovine footrot has been initiated as a retrospective study on the outbreaks in the Monaro region, south east of NSW ... Read more

Pilot study to understand the sheep health management issues in sheep farms in NSW
Written by: Jessica Boyd-weetman and Wendy Muir, School of Life and Environmental Sciences, The University of Sydney, and Om Dhungyel, Sydney School of Veterinary Science, The University of Sydney
There is increasing pressure on farmers to ensure that they maintain high levels of welfare and health for their animals whilst also ensuring their practices are environmentally sustainable ... Read more

Study of lesser virulent footrot in NSW
Written by: Karen Smith, Richard Whittington, Navneet Dhand and Om Dhungyel, Sydney School of Veterinary Science, The University of Sydney
The impact of lesser virulent strains of D. nodosus is becoming more apparent in NSW with traditional treatments and eradication programs often failing ... Read more


Arsenic toxicity in cattle given access to treated, burned vineyard posts
Written by: Jess Bourke, Central Tablelands Local Land Services, Mudgee
Arsenic is a metalloid element that is naturally present soils and is considered an essential mineral for some plant and animal species. It has a long history of use as a pesticide, medicine, pigment, timber preservative and homicidal agent ... Read more

Coxiella burnetii - A seminal case study
Written by: Shayne Fell, Ronald Coilparampil, Yan Huang, Cheryl Jenkins, Keith Walker, Kristie Harper and Ian Marsh, Elizabeth Macarthur Agricultural Institute, NSW Department of Primary Industries, Menangle, NSW
Coxiella burnetii is a zoonotic pathogen that occurs worldwide, except for New Zealand, causing Query (Q) fever in humans and coxiellosis in animals. In cattle, sheep and goats ... Read more

Lumpy skin disease outbreaks in Asia: Implications for Australia
Written by: Aziz Chowdhury, District Veterinarian, Greater Sydney LLS
Lumpy skin disease (LSD), caused by the lumpy skin disease virus (LSDV), is an OIE notifiable, vector-borne disease of cattle and Asian water buffalo ... Read more


Advances in diagnosing Chlamydia
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

Animal Health Surveillance in NSW
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

Aquatic Disease investigations: Elizabeth Macarthur Agricultural Institute
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

Do B12 injections improve vitamin B12 status? Updates on vitamin B12 supplementation in ruminants
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

Chemical residues and export market access
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

Descriptive epidemiology of Salmonella enteritidis outbreak in New South Wales
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

Full hand feeding of horses — Suggested rations for horses during droughts
Written by: Dr Petrea Wait BSc BVMS (Hons.), 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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