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Snotsiekte, Malignant Catarrhal Fever
CattleCause: Herpesvirus I causes an invariably fatal disease in cattle transmitted by sheep and wildebeest (predominantly the blue wildebeest). Epidemiology: Most free-living…
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ANAPLASMOSIS
CattleCause: Anaplasmosis is caused by a rickettsia called Anaplasma marginale or A. centrale of which A. marginale is the most virulent. Distribution…
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Redwater/Rooiwater
CattleBabesia bigemina (African) Distribution: Wide distribution in SA including large areas as in the Free State Transmitted by Boophilus decoloralus (Blue tick)... -
CONICAL FLUKE, PARAMPHISTOMUM PEERVORMIGE SLAK
CattleCritical time: Autumn/winter General: This parasite is found in cattle, sheep and goats and is seen in the rumen (“groot maag”) and…
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LIVER FLUKE, FASCIOLA “LEWERSLAK”
CattleCritical time: There is none, esp. where there is a permanent source of water. General: The life cycle moves from the ruminant…
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ANTRAX MILTSIEKTE
CattleCause: Anthrax is a fatal condition in cattle, other mammals and a zoonosis (disease spread to man) caused by a spore forming…
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BLACK QUARTER “SPONSSIEKTE”, BLACK LEG MALIGNANT OEDEMA
CattleBlack leg is a gangrenous myositis, a muscle infection caused by Clostridium chauveoi; the most common problem. Malignant oedema or pseudo-black leg…
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IMPACTED OMASUM “STOPGALSIEKTE” OR “DROë GALSIEKTE”
CattleCause: This is not tick born gall sickness but rather a nutritional disease. Roughage is an essential part of a ruminant’s diet,…
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TRICHOMONIASIS
CattleCause: Trich is caused by a protozoa called Trichomonas foetus. Distribution and spread: Trich is most commonly found in beef herds, country…
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VIBRIOSIS
CattleCause: Vibriosis is caused by the bacterium (Campylobacter fetus fetus) and more significantly Campylobacter fetus veneralis. (Campylobacter fetus fetus can occur in…