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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 21-40 of 48
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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)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)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)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)The helminths of 4 suni, Neotragus moschatus, from the Tembe National Elephant Park, KwaZulu, Natal, were collected, counted and identified. Cooperia hungi, a race of Cooperia rotundispiculum, Haemonchus vegliai, Setaria ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)Culicoides (Avaritia) miombo sp. nov. is described and illustrated from both sexes collected in northern Malawi. Two references in the literature have previously referred to this new species as either C. brosseti Vattier ...
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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)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 ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)Bloodsmears were taken from separate groups of five helmeted guineafowls, Numida meleagris, shot at approximately monthly intervals at Skukuza and near Lower Sabie in the Kruger National Park during the period August 1988 ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)The clinical features and pathological findings of 6 steers drenched with dried plant material of Cestrum laevigatum are described. Doses ranging from 0,5 to 10g/kg/day were given intraruminally for 1 to 38 days. Animals ...
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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)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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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)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)Recently a suspected outbreak of African horsesickness in the Western Cape Province resulted in the deaths of four foals and one adult horse. Spleen samples from these animals were subjected to analysis by an enzyme-linked ...
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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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(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)Samples and data were collected from twenty-eight female black rhinoceroses (Diceros bicornis) during translocation efforts carried out by the Department of National Parks and Wildlife Management in Zimbabwe. Biological ...
Now showing items 21-40 of 48