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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 1-20 of 52
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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 ...
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(Published by the Government Printer, Pretoria., 1988)The complement fixation test (CFT), indirect fluorescent antibody test (IFAT), card agglutination test for trypanosomiasis (CATT) and enzyme-linked immunosorbent assay (ELISA) were compared in their application to the ...
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(Published by the Government Printer, Pretoria., 1988)Clinical pathological studies were undertaken in 5 calves with experimentally-induced heartwater. The most important findings include a progressive anaemia which may be associated with bone marrow depression and fluctuations ...
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(Published by the Government Printer, Pretoria., 1988)Twenty-five common reedbuck, Redunca arundinum, from the Himeville region, 21 from the Eastern Shores Nature Reserve, 4 from the Charter's Creek Nature Reserve and 2 from the St Lucia Game Park, Natal were examined for ...
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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)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)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)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)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)The feeding methods, activities and behaviour of red-billed and yellow-billed oxpeckers in captivity were compared. Both species were found to be very similar with regard to feeding. The differences observed were a greater ...
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(Published by the Government Printer, Pretoria., 1988)Fifty sera collected from 12 different species of free-living game animals in game parks in the Northern Natal were tested against 8 Leptospira interrogans antigens using the microscopic agglutination test (MAT). Six out ...
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(Published by the Government Printer, Pretoria., 1988)The resistance to artificical infection with Cowdria ruminantium of calves born to cows fully susceptible to heartwater is no different from that of calves bred in heartwater endemic areas where the tick challenge is ...
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(Published by the Government Printer, Pretoria., 1988)Jaagsiekte was successfully transmitted to at least 2 out of 6 goats inoculated intratracheally with partially purified jaagsiekte retrovirus. Multiple, small, well circumscribed nodules found in the lungs consisted of ...
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(Pretoria : Government Printer, 1988)The success of natural infestations of various life history stages of Amblyomma hebraeum and Amblyomma marmoreum on the leopard tortoise, Geochelone pardalis, was compared. Success was measured by the time taken for ticks ...
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(Published by the Government Printer, Pretoria., 1988)Recent research interest in Karoo tick paralysis and its vector, Ixodes rubicundus, prompted this survey to determine the economic implications of this disease. The survey indicated relatively high losses caused by the ...
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(Published by the Government Printer, Pretoria., 1988)To investigate the correlation of haemodynamic parameters with the intensity of the gallop sound (S₃), use was made of right heart catheterization with a Swan-Ganz catheter to measure the pulmonary and right atrial pressures. ...
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(Published by the Government Printer, Pretoria., 1988)Investigation into the presence of C. ruminantium antigen, using an enzyme-linked immunosorbent assay (ELISA) in various tick tissues and haemolymph of adult Amblyomma hebraeum ticks revealed that the organism invades a ...
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(Published by the Government Printer, Pretoria., 1988)The isolation of a strain of Campylobacter hyointestinalis from a piglet is described. The animal originated from a farm where another animal showed signs of intestinal adenomatosis. The animal from which the Isolation was ...
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(Published by the Government Printer, Pretoria., 1988)A total of 69 warthogs, Phacochoerus aethiopicus, were collected from 4 localities within the Kruger National Park, eastern Transvaal Lowveld. These animals harboured 16 nematode species, 2 trematodes, 1 or 2 species of ...
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(Published by the Government Printer, Pretoria., 1988)The effects of wave form, voltage, frequency and current as well as application time on the narcotizing ability of alternating current were investigated. A 60 Vrms, 50 Hz sine wave current applied for 30 s produced narcosis ...
Now showing items 1-20 of 52