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- Browsing 1991 Onderstepoort Journal of Veterinary Research, Volume 58, 1991 by Issue Date
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Browsing 1991 Onderstepoort Journal of Veterinary Research, Volume 58, 1991 by Issue Date
Now showing items 1-20 of 48
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)Although of low morbidity, sweating sickness is readily induced in calves by infestation with positive Hyalomma truncatum adult ticks. This epitheliotrophic disease has no specific cure except by the administration of ...
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Parasites of South African wildlife. X. Helminths of red duikers, Cephalophus natalensis, in Natal (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)The helminths of the following red duikers, Cephalophus natalensis, were examined: 24 from 3 game reserves in Natal and 1 that had originated from Charters Creek, Natal, shortly before it died in the National Zoological ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)The epidemiological, clinical and clinical pathological findings in 20 cattle and 4 sheep from 15 outbreaks of poultry litter toxicity in South Africa over the past 6 years are documented. In 6 outbreaks, the litter emanated ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)During 1987 when cob rot was rife, perinatal losses were reported in flocks and herds that had been exposed to diplodiosis. The affected lambs or calves were either stillborn or died soon after birth. Dosing trials at the ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)Eighty-three species of ixodid ticks, as well as several entities that have yet to be described, occur in the Republic of South Africa plus the 4 independent states lying within its borders (Bophuthatswana, Venda, Transkei ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)Brucella abortus and B. melitensis antigens were used in parallel on the National Standard Brucella abortus antiserum and on field sera coming from cattle where practically exclusively B. abortus biotypes 1 and 2 have been ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)Following several clinical cases of suspected bovine virus diarrhoea (BVD) on three Namibian cattle farms, a serological survey was conducted on bovine, ovine, caprine and wild ruminant sera originating from different ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)Seven batches of 25% water-phase, oil-in-water vaccine were prepared from whole cultures of Tritrichomonas foetus. Two inoculations were given, spaced 6 weeks apart, to virgin heifers and infected bulls. A significant ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)Worm egg counts were compared with nematode worm burdens from data collected from >400 sheep killed in experiments on the epidemiology of nematode parasites in the Overberg, in the winter rainfall area of the southern Cape ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)Culicoides spp. in the Lowveld of the northern Transvaal, Republic of South Africa, were fed bluetongue virus serotypes 3 and 6 and African horsesickness virus serotype 1 through latex and chicken skin membranes. After ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)Forty-four isolates of Bacillus anthracis made from carcasses and soil in different localities of an endemic anthrax area in the Kruger National Park, South Africa, were tested by standard disc diffusion for their ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)Malachite green and formalin were investigated as prophylactic dip treatments for developing embryos of Cyprinus carpio and Clarias gariepinus. Based on the findings, recommendations are made on the respective concentrations ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)The biochemical, morphological and virulence profiles of 44 Bacillus anthracis isolates, obtained from various localities and carcass remains of wild animals in the Kruger National Park, South Africa, were examined. The ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)Helminth and arthropod parasites were collected from 41 warthogs, Phacochoerus aethiopicus, in the Hoedspruit Nature Reserve, eastern Transvaal. This reserve consists of a military base, which is a restricted area and is ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)Geeldikkop was induced in sheep by the oral administration of crude steroidal saponins from Tribulus terrestris. Two of the sheep developed typical lesions of geeldikkop, including birefringent crystalloid material in bile ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)One hundred and seventeen scrub hares, Lepus saxatilis, were examined for ixodid ticks in various regions of the Cape Province. They were infested with 18 tick species and the seasonal abundances of the immature stages of ...
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Parasites of South African wildlife. VI. Helminths of blue duikers, Cephalophus monticola, in Natal (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)The helminths of 3 blue duikers, Cephalophus monticola, from 3 nature reserves in Natal were collected, counted and identified. Taenia hydatigena larvae, a race of Cooperia rotundispiculum, gongylonema sp., Setaria sp., ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)Seventy-six helmeted guineafowls (Numida meleagris) were shot in the Andries Vosloo Kudu Reserve and on an adjacent farm in the eastern Cape Province during the period May 1985 to January 1987 and their tick burdens ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)The effect of tick infestation of Hereford, Bonsmara and Nguni cows on the weaning masses of their calves in a dipping versus non-dipping situation was investigated. Breed had a major effect on the level of tick infestation, ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)Amblyomma hebraeum male and female ticks, experimentally infected as larvae with the Ball 3 stock of Cowdria ruminantium, were fed on a heartwater susceptible sheep. The initial attachment of the males was required as a ...
Now showing items 1-20 of 48