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- Browsing 1967 Onderstepoort Journal of Veterinary Research, Volume 34, 1967 by Issue Date
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Browsing 1967 Onderstepoort Journal of Veterinary Research, Volume 34, 1967 by Issue Date
Now showing items 21-27 of 27
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(Pretoria : The Government Printer, 1967)It was shown that the immunity induced by a primary and secondary dose of antigen varying from 25 to 135 Lf APT, protected sheep for only about nine weeks. Any booster dose given before a year after the primary injection ...
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(Pretoria : The Government Printer, 1967)
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(Pretoria : The Government Printer, 1967)The life cycle of Paramphistomum microbothrium Fischoeder, 1901, in experimentally infested sheep, goats and cattle was compared and discussed. It is concluded, that of these domestic ruminants, cattle are the normal ...
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(Pretoria : The Government Printer, 1967)A review of the literature on the history of the tuberculin test and causes of non-specific reactions in cattle is given. The economic importance of the nonspecific reactor problem in South Africa is discussed. The cultural ...
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(Pretoria : The Government Printer, 1967)A locally isolated bovine enterovirus designated echovirus SA-I was found to belong to the Weybridge serotype 134. The growth characteristics of the virus in a number of cell types were studied. Its replicative cycle and ...
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(Pretoria : The Government Printer, 1967)The artificial transmission of besnoitiosis from chronically infected cattle to rabbits and cattle is recorded. The infective inoculum consisted of a suspension of heavily parasitized cyst-bearing skin and other tissues ...
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(Pretoria : The Government Printer, 1967)
Now showing items 21-27 of 27