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- Browsing 1991 Onderstepoort Journal of Veterinary Research, Volume 58, 1991 by Title
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Browsing 1991 Onderstepoort Journal of Veterinary Research, Volume 58, 1991 by Title
Now showing items 36-48 of 48
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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)Adult females of the tick Boophilus decoloratus were removed from 6 breeds of cattle on 2 farms in the Northern Transvaal. Highest numbers of female ticks were collected from Simmentaler, followed by Santa Gertrudis, ...
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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 ...
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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)Chrysomya megacephala, also known as the Oriental latrine fly, is indigenous to south-east Asia. During the 1970's it successfully invaded Africa and South America, and more recently during the 1980's also established ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)
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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)The inability of athymic nude mice to make a drug-aided recovery from infection with either the Kümm or the Welgevonden stocks of Cowdria ruminantium and their inability to mount an immune response, suggest that immunity ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)The development of the tick-borne rickettsial pathogen Cowdria ruminantium (S stock) was studied in bovine umbilical endothelial (BUE) cell cultures and in goat choroid plexus, by light- and electron microscopy. Cowdria ...
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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)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)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 ...
Now showing items 36-48 of 48