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

2014-15 Summer edition of case studies

Sheep

Case of the sheep with missing ears
Written by: Bob McKinnon, Regional Veterinarian, North West Local Land Services, Tamworth
"We were contacted by one of our local sheep farmers regarding a number of sheep that had lost their ears. He believed he had lost up to 50 sheep and had counted 35 bodies" ... Read More

Ethics of grazing livestock—a brief overview
Written by: BR Watt, Tablelands Livestock Health and Pest Authority (now Central Tablelands Local Land Service), Bathurst NSW
While those who consider that animals have similar rights to people will always regard livestock production as unethical, those of most other philosophical persuasions can accommodate grazing livestock provided welfare is guaranteed ... Read More

Lack of response to trace mineral supplementation of sheep and cattle on the central tablelands of NSW
Written by: BR Watt, K Crawford and J Eppleston, Tablelands Livestock Health and Pest Authority (now Central Tablelands Local Land Service), Bathurst NSW
In this paper we present the findings from two studies in sheep and cattle in which production responses following supplementation with selenium, vitamin B12 and a commercial mineral mix were absent in the face of low blood levels of GSHPX and/or vitamin B12 ... Read More

Lessons from a regional lice control project in the tablelands of NSW
Written by: J Eppleston and B Watt, Tablelands Livestock Health and Pest Authority (now Central Tablelands Local Land Service), Bathurst NSW
This paper describes the results achieved during the three year project and highlights some of the challenges and obstacles encountered to achieving good regional lice control ... Read More

Survey of leptospirosis exposure in livestock in the north west, central west, central north, darling and lachlan livestock health and pest authorities of NSW
Written by: N Charman#, A Hodge#, C Colantoni# and J. Kelly* - # Zoetis Australia Pty Ltd, 5 Rider Boulevard, Rhodes, NSW - * Central West Local Land Services, 12 Buckley Drive, Coonamble, NSW
This paper describes a survey conducted to determine the level of Leptospira borgpetersenii serovar Hardjo and Leptospira interrogans serovar Pomona exposure in sheep flocks, cattle herds and feral pig populations through a serological surveillance of unvaccinated flocks and herds ... Read More

Cattle

Ethics of grazing livestock—a brief overview
Written by: BR Watt, Tablelands Livestock Health and Pest Authority (now Central Tablelands Local Land Service), Bathurst NSW
While those who consider that animals have similar rights to people will always regard livestock production as unethical, those of most other philosophical persuasions can accommodate grazing livestock provided welfare is guaranteed ... Read More

Lack of response to trace mineral supplementation of sheep and cattle on the central tablelands of NSW
Written by: BR Watt, K Crawford and J Eppleston, Tablelands Livestock Health and Pest Authority (now Central Tablelands Local Land Service), 66 Corporation Avenue, Bathurst NSW
In this paper we present the findings from two studies in sheep and cattle in which production responses following supplementation with selenium, vitamin B12 and a commercial mineral mix were absent in the face of low blood levels of GSHPX and/or vitamin B12 ... Read More

Survey of leptospirosis exposure in livestock in the north west, central west, central north, darling and lachlan livestock health and pest authorities of NSW
Written by: N Charman#, A Hodge#, C Colantoni# and J. Kelly* - # Zoetis Australia Pty Ltd, 5 Rider Boulevard, Rhodes, NSW - * Central West Local Land Services, 12 Buckley Drive, Coonamble, NSW
This paper describes a survey conducted to determine the level of Leptospira borgpetersenii serovar Hardjo and Leptospira interrogans serovar Pomona exposure in sheep flocks, cattle herds and feral pig populations through a serological surveillance of unvaccinated flocks and herds ... Read More

Other

Macracanthorynchus hirudinaceus in feral pigs
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

Moral status of animals: Comparing deontological and consequentialist view on livestock farming
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