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- Browsing 1990 Onderstepoort Journal of Veterinary Research, Volume 57, 1990 by Title
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Browsing 1990 Onderstepoort Journal of Veterinary Research, Volume 57, 1990 by Title
Now showing items 23-42 of 50
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(Published by the Government Printer, Pretoria., 1990)Immunoblotting of Cowdria ruminantium proteins with sheep or bovine antiserum identified 2 antigenically conserved proteins, one being an immunodominant 31 kDa and the other a minor 27 kDa protein. These proteins are present ...
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(Published by the Government Printer, Pretoria., 1990)The ileocaecal junctions of 5 horses and 2 donkeys were examined by using antisera to the following peptides: somatostatin, glucagon, gastrin, neurotensin, vasoactive intestinal peptide (VIP), peptide histidine isoleucine ...
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(Published by the Government Printer, Pretoria., 1990)After being passaged through 3 generations of Amblyomma hebraeum, an Ehrlichia-like agent isolated from an adult Hyalomma truncatum female became more pathogenic and elicited a disease in sheep indistinguishable from ...
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(Published by the Government Printer, Pretoria., 1990)Brucella melitensis biotype 1 was isolated in pure culture from the lungs, liver, spleen, kidney, stomach contents, abomasum and brain of an aborted caprine (Boer goat) foetus in the district of Cullinan, near Pretoria. ...
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(Published by the Government Printer, Pretoria., 1990)An unidentified Babesia sp. which causes a mild disease in cattle was isolated in a splenectomized ox that received pooled blood from field cattle. That this organism is pleomorphic and resembles Babesia occultans makes ...
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(Published by the Government Printer, Pretoria., 1990)Leukoencephalomalacia (LEM) was induced by the oral administration of fumonisin B₁ (FB₁) to 2 horses: a filly received 59,5mg/kg of a 50% preparation of FB₁ administered in 21 doses of 1,25-4mg/kg over 33 days; a colt, ...
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(Published by the Government Printer, Pretoria., 1990)Although the histological features and endocrine cells of the gastro-intestinal tract of the chicken have been well studied, little is known about these features of the gut of the ostrich. The present study was undertaken ...
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(Published by the Government Printer, Pretoria., 1990)Mycobacterium fortuitum was isolated from 3 species of freshwater fish in South Africa for the first time. The bacterium was isolated from oscars, guppies and discus fish from different sources. Heavy mortalities as a ...
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(Published by the Government Printer, Pretoria., 1990)Data collected on both free-living and parasitic tick populations are likely to be overdispersed. The use of means from few replicate samples of overdispersed data as quantitative estimators of tick population density is ...
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(Published by the Government Printer, Pretoria., 1990)Nematode eggs were collected by mixing the faeces with a sugar solution, filling a flat-sided medicine bottle (100 ml), and allowing eggs to float and adhere to the upper surface for 30 min. After discarding the faeces, ...
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(Published by the Government Printer, Pretoria., 1990)Oesophagostomum mocambiquei Ortlepp, 1964 was described from 9 females recovered from a warthog, Phacochoerus aethiopicus (Pallas, 1766), from northern Mozambique. Large numbers of O. mocambiquei were recovered during ...
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(Published by the Government Printer, Pretoria., 1990)Poisoning with the plant Lasiospermum bipinnatum was studied in 9 lambs. Intraruminal doses, varying from 1-12 g/kg/day of dried plant, were administered to 8 animals and 1 was fed 2,5 g/kg/day of the material mixed with ...
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(Published by the Government Printer, Pretoria., 1990)Poisoning with the plant Lasiospermum bipinnatum was studied in 9 lambs at various dose levels. Dyspnoea and tachypnoea, which were dose-related, were observed in 4 of the lambs. Gross and microscopic pulmonary lesions ...
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(Published by the Government Printer, Pretoria., 1990)Studies were made on the duration of the prehatch period of Boophilus decoloratus and on the subsequent survival and viability of larvae under natural conditions. The length of the prehatch and larval survival periods was ...
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(Published by the Government Printer, Pretoria., 1990)In the course of three experiments it was established that all the toxic effects of a lethal dose of Albizia versicolor pods (> 4,5g/kg) in guinea-pigs could be countered by concurrent subcutaneous injection of pyridoxine ...
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(Published by the Government Printer, Pretoria., 1990)Field collections of ticks from two breeds of cattle in the North Western Transvaal showed the common tick species to be Rhipicephalus appendiculatus, Amblyomma hebraeum, Rhipicephalus evertsi evertsi and Hyalomma marginatum ...
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(Published by the Government Printer, Pretoria., 1990)The prevalence of Salmonella in southern Africa in farm feeds and by-products of animal origin during 1982-1988 was determined. Salmonella occurred in 5,18% of the farm feed samples and in 9,54% of the by-product samples. ...
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(Pretoria : Government Printer, 1990)The ileocaecal junction mucosal surface morphology of 5 horses and 1 donkey was examined using scanning electron microscopy and light microscopy. Based on differences in surface morphology, the junction could be divided ...
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(Published by the Government Printer, Pretoria., 1990)Four hundred and six serum samples from buffalo (Syncerus caffer) were tested for leptospirosis, using the microscopic agglutination test. Seven buffaloes (1,7%) reacted positive and 27 (6,6%) inconclusive. Reactions against ...
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(Published by the Government Printer, Pretoria., 1990)
Now showing items 23-42 of 50