Browsing 1956 Onderstepoort Journal of Veterinary Research, Volume 27, Number 1 & 2, 1956 by Issue Date
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- Browsing 1956 Onderstepoort Journal of Veterinary Research, Volume 27, Number 1 & 2, 1956 by Issue Date
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Browsing 1956 Onderstepoort Journal of Veterinary Research, Volume 27, Number 1 & 2, 1956 by Issue Date
Now showing items 1-18 of 18
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(Pretoria : The Government Printer, 1956)The morphological similarity between the members of the genera Theileria and Gonderia in domestic animals makes their differentiation extremely difficult. In making a differential diagnosis veterinarians and zoologists ...
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The use of tissue culture propagated bluetongue virus for complement fixation studies on sheep sera (Published by The Government Printer, Pretoria, 1956)The development of a complement-fixation test possessing broad specificity, in which tissue culture propagated virus is used as antigen, for studies on bluetongue in sheep is described.
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(Published by The Government Printer, Pretoria, 1956)(1) The description of the male and the female is given; the immature stages are described for the first time, the description is based on material raised by Miss Walker at Kabete. (2) The known hosts and its geographical ...
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(Published by The Government Printer, Pretoria, 1956)(1) Ticks concerned in the transmission of Babesia spp., Aegyptianella sp., Theileria sp., Gonderia spp., Anaplasma spp., Borrelia spp., viruses and "toxins" responsible for diseases in livestock have been enumerated. (2) ...
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(Published by The Government Printer, Pretoria, 1956)1. The transmission of Th. ovis by the two host tick Rh. evertsi was successful in six susceptible splenectomized sheep. 2. Th. ovis was picked up by the larvae and nymphae and transmitted by the ensuing adults. 3. ...
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(Published by The Government Printer, Pretoria, 1956)Solutions of acetate, propionate and butyrate, alone and in combinations, were dosed into the rumen of sheep and the effects on blood sugar and ketones determined. Acetate was found to cause a slight and delayed rise in ...
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(Published by The Government Printer, Pretoria, 1956)Cytopathogenic activity by egg adapted strains of bluetongue virus for sheep kidney cells in culture, and the neutralization of this activity by homologous antiserum are described. The possible applications of this ...
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Wesselsbron virus - a virus not previously described, associated with abortion in domestic animals (Published by The Government Printer, Pretoria, 1956)1. There has been isolated from a lamb a pantropic virus with neurotropic properties and a well-marked affinity for embryonic tissue. 2. In the field the vectors are mosquitoes which have yet to be identified ...
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(Published by The Government Printer, Pretoria, 1956)A freeze-dried Brucella vaccine has been developed which can be issued with all the usual guarantees, e.g. 60 x 10⁹ viable organisms per dose viable for an extended period. This vaccine has been prepared in concentrated ...
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(Published by The Government Printer, Pretoria, 1956)1. Apparently this is the first case on record in which tuberculosis of the skin in man was contracted from an infected dog through a wound. The infection probably occurred when handling the heavily infected lymph nodes and ...
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(Published by The Government Printer, Pretoria, 1956)An evaluation of the phosphorus insecticides by means of the bio-assay method has revealed that certain of these compounds combine very good larvicidal action with outstanding diffusing power in the fleece of living ...
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(Published by The Government Printer, Pretoria, 1956)A method for the production of Brucella abortus Strain 19 Vaccine by a shake flask, aerated liquid culture technique is described.
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(Published by The Government Printer, Pretoria, 1956)SUMMARY 1: 1. The distribution of H. truncatum (syn. H. transiens) is given in terms of political divisions. 2. The limiting factor to its distribution is seen to be increasing humidity. It is present up to 20 inches per ...
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(Published by The Government Printer, Pretoria, 1956)During the course of a study on Anoplura material in the Onderstepoort collection, several specimens of the genus Linognathus were found which seemed to be incorrectly classified. A comparison with the respective types ...
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(Published by The Government Printer, Pretoria, 1956)
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(Published by The Government Printer, Pretoria, 1956)Fixation of complement bas been obtained using antigens prepared from suckling mouse brains and antisera from hyperimmune guinea-pigs. With horsesickness viruses the complement fixation test is less type specific than ...
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(Published by The Government Printer, Pretoria, 1956)1. An account is given of a series of experiments on calves and pigs on which infective Hyalomma transiens were allowed to feed for periods of variable duration. 2. It was determined that the causal agent can be transmitted ...
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(Published by The Government Printer, Pretoria, 1956)1. In a brief review of the literature, methods which have been advocated for the immunisation of dogs against distemper and possible reasons for failures in immunity are discussed. 2. The propagation of Green's distemperoid ...
Now showing items 1-18 of 18