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Congenital Abnormalities In Sheep, Stanley M. Dennis

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

More than 60 forms of abnormality have been found in lambs in Western Australia and in some flocks the proportion of particular abnormalities has been as high as 8 per cent, of lambs born.

In this article Dr. Dennis discusses the causes of abnormalities and reports progress of a Statewide survey of congenital abnormalities.

Sheep Breeding Problems In W.A. : The Industry's View, Stanley M. Dennis

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

IN 1963 a short questionnaire was distributed to farmers and pastoralists seeking information about sheep breeding problems and lamb losses.

This was a fore-runner to the Department of Agriculture survey into the causes of abortion and lamb mortality which is reported elsewhere in this issue.

Vibriosis In Sheep, Stanley M. Dennis

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

OVINE VIBRIOSIS or vibrionic abortion, a serious disease of breeding ewes, has been known for almost 50 years and has been reported from most of the important sheep breeding areas of the world.

It is capable of causing serious economic loss.

Congenital Abnormalities In Sheep In Western Australia, Stanley M. Dennis

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

IN every flock of sheep an abnormal or deformed lamb is seen from time to time.

But in some flocks in some years the incidence of these abnormal lambs is higher than usual.

Urinary Calculus Disease Of Sheep In Western Australia, M R. Gardiner

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

THE formation of concretions in the urinary tract of rams and wethers is one of the most persistent causes of loss of sheep in Western Australia, and has been so for many years.

Stinkwort (Inula Graveolens Desf.), G R W Meadly

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

THE original home of stinkwort is the Mediterranean region, including northern France. Apparently the first Australian record was at Onkaparinga in South Australia about 90 years ago.

Efforts were made to keep it in bounds during the years immediately following introduction, but it continued to spread and is now f i r m ly established in all agricultural districts of South Australia.

It also covers large tracts of land in New South Wales and Victoria and occurs in most districts of Western Australia.