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- Browsing 1988 Onderstepoort Journal of Veterinary Research, Volume 55, 1988 by Issue Date
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Browsing 1988 Onderstepoort Journal of Veterinary Research, Volume 55, 1988 by Issue Date
Now showing items 21-40 of 52
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(Published by the Government Printer, Pretoria., 1988)The first isolations of Campylobacter mucosalis in South Africa are described. Isolations were made from a 6-week-old weaner pig with necrotic enteritis and from 2 gingival swabs of suckling piglets from herds with histories ...
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(Published by the Government Printer, Pretoria., 1988)In 2 separate experiments the blood-feeding fly Haematobia thirouxi potans (Bezzi) failed to transmit foot and- mouth disease virus when transferred from viraemic (log 2,6 - log 4,3 MLD₅₀ or TCID₅₀/ml) to susceptible ...
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(Published by the Government Printer, Pretoria., 1988)Volatiles emitted by male Amblyomma hebraeum while feeding on a rabbit were quantitatively sampled by the dynamic solvent effect and analysed by capillary gas-liquid chromatography and mass spectrometry. Changes in ...
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(Published by the Government Printer, Pretoria., 1988)The development of Babesia occultans in the salivary glands of adult Hyalomma marginatum rufipes was studied with the electron microscope. Sporogony involved a process of multiple fission in which sporozoites formed from ...
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(Published by the Government Printer, Pretoria., 1988)A total of 33 564 Culicoides midges was collected in 44 light trap collections made at 22 sites in the Stellenbosch area during November 1986. Of the 23 species present in these collections 8 were frequently encountered ...
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(Published by the Government Printer, Pretoria., 1988)Various immunization procedures were investigated in an effort to improve the number of hybridomas producing antibodies against Cysticercus cellulosae. Ten groups of 5 BALB/c mice were subjected to different immunization ...
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(Published by the Government Printer, Pretoria., 1988)Both Babesia equi and Babesia caballi are endemic in large parts of South Africa. Attempts were made to obtain pure local isolates of both B. equi and B. caballi for the purpose of developing serological tests to study the ...
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(Published by the Government Printer, Pretoria., 1988)A total of 3 257 samples of diseased rainbow trout were examined for the presence of viruses from January 1983 to December 1987. A virus closely related to the VR 299 serotype of infectious pancreatic necrosis virus ...
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(Published by the Government Printer, Pretoria., 1988)The presence of endotoxin was examined in 5 sheep with experimentally-induced heartwater. Two peaks in endotoxin levels were recorded in 4 out of the 5 sheep during the acute stage of the disease. The 1st peak coincided ...
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(Published by the Government Printer, Pretoria., 1988)Although the ascites syndrome of broilers is well documented, all the authors fail to describe exactly in which of the various coelomic cavities ascitic fluid is found. Determination of the precise location of this fluid ...
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(Published by the Government Printer, Pretoria., 1988)Circumstantial evidence is presented for the occurrence of a variant of a vaccine strain of B. melitensis Rev 1, designated "FSA"(foreign South African). FSA resembles Rev 1 in its reactions to penicillin and streptomycin ...
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(Published by the Government Printer, Pretoria., 1988)Scanning electron microscopical (SEM) studies on tegument of the bovid schistosomes, Schistosoma margrebowiei and Schistosoma mattheei have yielded conflicting results; certain authors observed the tubercles on the tegument ...
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(Published by the Government Printer, Pretoria., 1988)A South African isolate of ovine lentivirus was shown to cause a mild immunosuppression in sheep, reflected by a reduced delayed hypersensitivity reaction. This effect, measured in terms of skin swelling after intradermal ...
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(Published by the Government Printer, Pretoria., 1988)A field outbreak of Pachystigma pygmaeum intoxication in sheep is described. Noteworthy clinical signs were: respiratory distress, apathy and subcutaneous oedema of mainly the head. Gross changes included cardiomegaly, ...
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(Published by the Government Printer, Pretoria., 1988)Cultures on autoclaved maize of the phytopathogenic fungus, Drechslera campanulata, were incorporated into diets and fed to male inbred BDIX rats. In a pilot trial, a diet containing 30% D. campanulata culture material ...
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(Published by the Government Printer, Pretoria., 1988)Each of two horses was dosed by stomach tube with culture material on maize of Fusarium moniliforme MRC 826. One horse developed severe hepatosis and mild oedema of the brain after 6 doses of 2,5 g of culture material/kg ...
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(Published by the Government Printer, Pretoria., 1988)The indirect fluorescent antibody technique has been used successfully for the rapid serological identification of the Streptococcus sp. responsible for streptococcosis of rainbow trout. This technique has been used ...
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(Published by the Government Printer, Pretoria., 1988)DNA from the Washington, South-Idaho, Virginia and Florida isolates of Anaplasma marginale was hybridized to probes specific for Anaplasma centrale and A. marginale. The A. centrale probes AC-2 and AC-4 hybridized to ...
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(Published by the Government Printer, Pretoria., 1988)Broilers of 4 different commercial strains were kept during winter at an altitude of 1 350m. The birds were slaughtered at weekly intervals and their relative right ventricular mass (pulmonary arterial pressure index = API ...
Now showing items 21-40 of 52