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- Browsing 1985 Onderstepoort Journal of Veterinary Research, Volume 52, 1985 by Issue Date
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Browsing 1985 Onderstepoort Journal of Veterinary Research, Volume 52, 1985 by Issue Date
Now showing items 1-20 of 45
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(Published by The Government Printer, Pretoria, 1985)The same techniques may be used in the complement fixation test (CFT) for the serological diagnosis of bovine brucellosis, Johne's disease (paratuberculosis), dourine, equine piroplasmosis and Q fever (caused by Coxiella ...
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(Published by The Government Printer, Pretoria, 1985)Natural and experimental cases of sweating sickness were treated using a hyperimmune serum as specific treatment and hyperimmune serum combined with symptomatic and supportive treatment based on the clinico-pathological ...
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(Published by The Government Printer, Pretoria, 1985)Pachystigma pygmaeum is one of several species of rubiaceous plants which cause delayed heart failure among ruminants after their ingestion at relatively high doses. Using guinea-pigs for toxicity determinations, we were ...
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(Published by The Government Printer, Pretoria, 1985)The isolation of Cowdria ruminantium by means of wheat germ lectin affinity chromatography as described in this paper permits the recovery of partially purified viable organisms under mild conditions in short time. These ...
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(Published by The Government Printer, Pretoria, 1985)Rabbits were infected with a bovine strain of Besnoitia besnoiti parasites derived from VERO cell cultures. Oxytetracycline*, given at 30 mg/kg i.m. simultaneously with infection, prevented the development of orchitis. The ...
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(Published by The Government Printer, Pretoria, 1985)The known distribution of African swine fever (ASF) virus in Africa is reviewed in relation to the distributions of its free-living hosts as are the infection rates of these species in different localities in southern ...
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(Published by The Government Printer, Pretoria, 1985)A total of 917 Mycoplasma isolations were made from 4 092 specimens originating from 2 874 cattle in private herds and at AI stations. The percentages of isolations from the different sources were: cervico-vaginal mucus ...
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(Published by The Government Printer, Pretoria, 1985)The research activities of the Veterinary Research Institute, Onderstepoort, from its inception in 1908 until recent times are reviewed in this first article of a series on nematode epidemiology of sheep and cattle. While ...
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Addition of rabbit serum to EMJH medium improves isolation of Leptospira interrogans serovar hardjo (Published by the Government Printer, Pretoria., 1985)The addition of 2 % pooled rabbit serum to semi-solid commercial EMJH medium with EMJH enrichment and 0,5 mg of 5-fluorouracil per ml was found to enhance the growth rate and success of isolation of Leptospira interrogans ...
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(Published by The Government Printer, Pretoria, 1985)A total of 20 375 flies collected off cattle on 12 farms over 36 months were identified and examined for 3rd stage P. bovicola. The 3 vector species accounted for 64,1 % of the flies collected and were the only fly species ...
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(Published by The Government Printer, Pretoria, 1985)During scanning electron microscopy (SEM) of the tegument of Schistosoma mattheei, a structure was observed within the nippled tubercles. It is postulated that it is a sensory receptor with a tactile function.
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(Published by The Government Printer, Pretoria, 1985)From the time of the first modern studies of infectious diseases, by Koch, Pasteur, Theiler and their colleagues, it has been clear that laboratory investigation must be complemented by epidemiologic investigation. The ...
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(Published by the Government Printer, Pretoria., 1985)When conventional techniques were applied to 84 isolates of Staphylococcus aureus from milk samples, it was found that they were all catalase and phosphatase positive and oxidase negative. They all fermented glucose within ...
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(Published by The Government Printer, Pretoria, 1985)
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(Published by the Government Printer, Pretoria., 1985)Pathological lesions in untreated Angora goats infected with the Ball₃ strain of Cowdria ruminantium corresponded with those previously reported. A severe nephrosis was the most prominent pathological lesion in the animals ...
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(Published by The Government Printer, Pretoria, 1985)The effect of both environmental and management related stressors on fertility is discussed. While environmental heat as a stressor is significant in disrupting normal reproductive cyclicity, management induced stress is ...
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(Published by the Government Printer, Pretoria., 1985)It was shown in this study that Rhipicephalus evertsi evertsi males emit pheromones in the preparasitic as well as in the parasitic phases. Conspecific unengorged male and female images exhibited a high response to ...
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(Published by the Government Printer, Pretoria., 1985)From July 1979 - December 1980, 48 springbok were culled for a parasite survey at Benfontein. Lice were the dominant parasites and reached a peak in September. Damalinia antidorcus, Linognathus antidorcitis, Linognathus ...
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(Published by The Government Printer, Pretoria, 1985)Infection of bovines with bovine leukaemia virus (BLV) manifests itself in either of two ways: 30-70% of carriers develop persistent lymphocytosis (PL), with the viral genome integrated at a large number of different sites ...
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The epizootiology and control of heartwater and other tick-borne diseases of cattle in South Africa (Published by The Government Printer, Pretoria, 1985)The history of the main bovine tick-borne diseases occurring in South Africa and the role Onderstepoort played in their identification and control is briefly reviewed. The present attitudes regarding the control of tickborne ...
Now showing items 1-20 of 45