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- Browsing 1967 Onderstepoort Journal of Veterinary Research, Volume 34, 1967 by Type
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Browsing 1967 Onderstepoort Journal of Veterinary Research, Volume 34, 1967 by Type "Article"
Now showing items 1-20 of 25
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(Pretoria : The Government Printer, 1967)The effects of cortisol acetate were studied on immature gonadotrophin treated rats, mature intact and hysterectomized cycling females, gestating and pseudopregnant subjects with pituitary implants, and mature males. ...
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(Pretoria : The Government Printer, 1967)
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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)Normal values for the various serum protein fractions of Merino sheep in South Africa have been established. Use was made of cellulose acetate membrane electrophoresis by the microzone technique and after processing the ...
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(Pretoria : The Government Printer, 1967)
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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)A total of 60 spp. of fungi (of which 13 had not been reported before) representing 34 genera was isolated from 39 samples of feed examined. The spp. and their frequency of isolation are tabulated. The fungi most frequently ...
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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)
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(Pretoria : The Government Printer, 1967)The experimental results show clearly, that low temperatures have a delaying effect upon the development of the free-living stages of B. decoloratus, B. microplus and M. winthemi. The tolerance of eggs to low temperatures ...
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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)Necropsies were conducted on 100 hippopotami during the winter of 1964 in an area of the Kruger National Park where the continuous drought, over a period of three years, had reduced food supplies to a very low level. ...
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(Pretoria : The Government Printer, 1967)1. An account is given of the lesions caused by Cordophilus sagittus infestations of an African buffalo, a bushbuck and 18 kudus. 2. The distribution of adult parasites and the host response in the kudu are given in ...
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(Pretoria : The Government Printer, 1967)The formation of plaques in a line of mouse fibroblast cells under agarose, by 16 tissue culture and 14 egg adapted strains of bluetongue virus is described. Optimal conditions for routine plaque assay were determined and ...
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(Pretoria : The Government Printer, 1967)A single dose of alum-precipitated epsilon toxoid (APT) produces only a transitory immunity when given to fully susceptible sheep. A maximal immunity response is brought about by two injections each containing 90 Lf toxoid. ...
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(Pretoria : The Government Printer, 1967)Ecbovirus type SA-l, a bovine enterovirus, has been purified and crystallized and its chemical composition, physical characteristics and morphology studied. The virus particles have a mean diameter of 230Å, a sedimentation ...
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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)Five immunologically identical strains of virus have been isolated from naturally and experimentally produced cases of ephemeral fever, by the intracerebral inoculation of suckling mice with infective buffy coat suspension. ...
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(Pretoria : The Government Printer, 1967)The relationship of Besnoitia encountered in blue wildebeest and impala to B. besnoiti of cattle was investigated by studying the susceptibility of rabbits, cattle and sheep to infection with antelope strains, and their ...
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(Pretoria : The Government Printer, 1967)The effects of thyra-parathyroidectomy with subsequent thyroxin replacement have been studied in two young and two mature sheep. Observations made included the effects of the operation on the absorption, excretion and ...
Now showing items 1-20 of 25