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1994 Onderstepoort Journal of Veterinary Research, Volume 61, 1994: Recent submissions
Now showing items 41-53 of 53
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)Helminth and arthropod parasites of 60 female indigenous goats of three age groups on a farm in the northern Transvaal were collected, identified and counted. Anoplocephalid tapeworms were present in the two younger ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)During the culling of elephants (Loxodonta africana) at five sites in the Kruger National Park, South Africa, a total of 682 Culicoides of five species of the subgenus Avaritia were found live either behind the ears of ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)Studies to evaluate changes in blood clotting, blood calcium and protein, the haematocrit and white-cell counts were undertaken in seven sheep with experimentally induced heartwater. A marked decline in thrombocyte count ...
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(Pretoria : Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)Detachment rhythms of immature Karoo paralysis ticks (Ixodes rubicundus) from their natural host, the rock elephant shrew (Elephantulus myurus) , were investigated under laboratory and natural conditions. Larvae and nymphs ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)Regression models are proposed for predicting conception rate in a dairy herd under South African and especially Natal conditions. Conception rate (CR%) was related to mean monthly temperature-humidity index (THI) by ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)Ovine keratoconjunctivitis was successfully reproduced in lambs under 1 year of age, in four separate transmission trials, by the use of mycoplasma isolates obtained from field outbreaks of ovine infectious keratoconjunctivitis. ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)The presence of endotoxin was examined in seven sheep with experimentally induced heartwater. Elevations in endotoxin levels were recorded in one sampling in three of the seven sheep during the acute stage of the disease. ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)Engorgement, mass at repletion and moulting success of immature Ixodes rubicundus after sequential infestations of their natural hosts, rock elephant shrews (Elephantulus myurus) , were investigated under laboratory ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)Seven new species of the genus Spinitectus Fourment, 1883, recovered from several species of freshwater fishes from West and Central Africa, are described. The eighth species, Spinitectus allaeri Campana-Rouget , 1961 ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)A ten-point visual method of estimating the abundance of immature blackflies in the field is proposed and tested. The method is based on the comparison of larvae and pupae found on natural substrates, with ten ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)A suspended-net technique was used to capture blackflies attracted to and engorging on Dorper and Merino sheep on irrigated pastures. Two bait animals of each breed were restrained individually in wire-mesh enclosures ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)Previous studies indicated large, thin-walled, milk-filled rumens in lethal grey and white Karakul lambs. There was also a significant decrease in the number and size of the myenteric plexuses and the number of ganglion ...
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(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)Histological, immunocytochemical and immunofluorescence methods were employed to study the oesophagus and stomach of the elephant. The histological findings were in line with the situation in monogastric species like ...
Now showing items 41-53 of 53