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Full-Text Articles in Life Sciences

A Survey Of Drench Resistance In Sheep Worms, J R. Edwards, R. Wroth, G. C. De Chaneet, R. B. Besier, J. Karlsson, P. W. Morcombe, D. Roberts, G. Dalton-Morgan Jan 1985

A Survey Of Drench Resistance In Sheep Worms, J R. Edwards, R. Wroth, G. C. De Chaneet, R. B. Besier, J. Karlsson, P. W. Morcombe, D. Roberts, G. Dalton-Morgan

Journal of the Department of Agriculture, Western Australia, Series 4

Sheep worms which are resistant to chemical drenches have been detected with increasing freuency is Western Australia's south-western farming areas between 977 and 1980. These worms have anthelmintic resistance and such genetis resistance puts essential internal parasite control practices at risk.

This prompted veterinarians in the Esperance, Albany, Bunbury, Geraldton and Northam areas to survey farms to determine the prevalence of resistance to drenches and to define those sheep management practices which encourage its development.

This article describes the survey which was conducted to assess the extent of drench resistance, what causes its build-up and how it can be controlled …


T-61 Use In The Euthanasia Of Domestic Animals: A Survey, Andrew N. Rowan Jan 1985

T-61 Use In The Euthanasia Of Domestic Animals: A Survey, Andrew N. Rowan

Veterinary Science and Medicine Collection

A variety of techniques have been proposed and employed for the killing of domestic animals but relatively few have survived as suitable agents for euthanasia-namely, the induction of painless, suffering-free death. Some agents, such as strychnine, curariform agents, or potassium salts cause suffering while others have other disadvantages. 'lbday, dogs and cats are commonly euthanatized with sodium pentobarbital or with T-61 which is a mixture of a central nervous system narcotic, a paralytic agent, and a local anesthetic. The use of T-61 was first reported in the United States in 1963 (Quin 1963). The substance gradually became more popular because …


Farm Debt In The Wheatbelt : 1984 Survey Results, R S. Kingwell Jan 1985

Farm Debt In The Wheatbelt : 1984 Survey Results, R S. Kingwell

Journal of the Department of Agriculture, Western Australia, Series 4

In recent years many farms in Western Australia's wheat-growing areas have experienced adverse seasons. For example, the 1983-84 season was characterised by a late start, dry spring and wet harvest which resulted in many farms suffering a combination of low yields and the downgrading or dockage of their grain.

Poor seasons and poor profitability prospects for wheat-growing caused some concern about farm indebtedness in these areas.

In late 1983, a Parlimentary select committee was appointed to inquire into rural hardship. The State Minister for Agriculture also announced that the Department of Agriculture would conduct a farm survey to determine the …