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Veterinary Preventive Medicine, Epidemiology, and Public Health
Journal of the Department of Agriculture, Western Australia, Series 4
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Brucellosis And Its Control With Strain 19 Vaccine, C R. Toop
Brucellosis And Its Control With Strain 19 Vaccine, C R. Toop
Journal of the Department of Agriculture, Western Australia, Series 4
DAIRY farmers of a generation ago will not need to be reminded of the ravages of contagious abortion or of the need for the continued application of effective control measures.
Fifteen or 20 years ago this disease which we now call Brucellosis was rife throughout the dairying districts of the State and it exacted a heavy toll.
The "abortion storm" was a common occurrence and it was not unusual for 30 per cent., and sometimes considerably more, of the cows in a herd to lose their calves at about the sixth month of pregnancy.
Brucellosis Can Cause Contagious Abortion In Cattle And Undulant Fever In Man, F C. Wilkinson
Brucellosis Can Cause Contagious Abortion In Cattle And Undulant Fever In Man, F C. Wilkinson
Journal of the Department of Agriculture, Western Australia, Series 4
WHEN the cow, shown in the accompanying photograph, was purchased it had a small fluid-filled lump on the left knee.
The swelling did not appear to be painful but gradually increased in size until it assumed the proportions shown in the picture.
It was a typical case of "big-knee," one of the less common manifestations of Brucellosis—the disease commonly known as contagious abortion—and a blood test of the animal confirmed the diagnosis.