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Browsing 1986 Onderstepoort Journal of Veterinary Research, Volume 53, 1986 by Subject "Veterinary medicine"
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Thomson, G.R. (Gavin); Neser, J.A.; Phillips, T.; Gainaru, M.D.; Coetzee, T.; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1986)
Replicating and mature viral particles were detected with the transmission electron microscope in blood platelets of pigs infected with virulent haemadsorbing and non-haemadsorbing African swine fever virus isolates. ...
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Bigalke, R.D.
(Pretoria : Government Printer, 1986)
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Ambrosio, R.E.; Potgieter, F.T.; Nel, N.; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1986)
A cellulose column procedure is described which removes white cells from bovine blood infected with Babesia and Anaplasma. The efficiency of this method was confirmed by the absence of white blood cell DNA in lysates from ...
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Neitz, Albert Walter Herman; Viljoen, G.J.; Bezuidenhout, J. Dürr; Oberem, P.T.; Vermeulen, N.M.J.; Van Wyngaardt, Wouter; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1986)
A sensitive and reliable enzyme-linked immunosorbent assay for the detection of antibodies to Cowdria ruminantium in serum and C. ruminantium antigen in Amblyomma hebraeum nymphae is described. For the screening of antibodies, ...
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Neitz, Albert Walter Herman; Viljoen, G.J.; Oberem, P.T.; Visser, L.; Vermeulen, N.M.J.; Bezuidenhout, J. Dürr; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1986)
An enzyme-linked immunosorbent assay was used to detect Cowdria ruminantium antibodies during the course of heartwater disease. IgM antibodies reached a maximum on the 4th day after infection and disappeared on the 7th ...
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Braack, L.E.O.; Retief, P.F.; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1986)
16 000 Chrysomyia albiceps and 52 000 C. marginalis adults were radioactively labelled with ³²P-orthophosphate and released in the northern Kruger National Park, South Africa. After a 1-week dispersal period 69 baited ...
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Egyed, M.N.; Schultz, R.A. (Rowena Anitra); Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1986)
High mortality of livestock is caused annually by the plant, Dichapetalum cymosum (gifblaar), in the Northern Transvaal. So far no therapeutic measures have been developed for the prevention or treatment of this poisoning. ...
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De Moor, F.C.; Car, M.; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1986)
Bacillus thuringiensis Berliner var. israelensis de Barjac (Serotype H-14) (B.t.i.) at a concentration of 1,6 ppm/10 min and a toxicity of 1500 AAU/mg was tested against Simulium chutteri Lewis larvae in the Orange River ...
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Barnard, B.J.H.; Voges, S.F.; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1986)
Employing rabbit immune serum, 10 flaviviruses known to be present in South Africa could be divided into 5 serological subgroups. The subgroups conform to the general pattern described for the group. Sera from experimentally ...
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Barnard, B.J.H.; Voges, S.F.; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1986)
Sheep are susceptible to at least 5 of the 10 flaviviruses known to be present in South Africa. Sheep, 7-9 months of age, injected with Wesselsbron, West Nile, Banzi, Uganda-Sand AR 5189 (an unidentified virus related to ...
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Thomson, G.R. (Gavin); Bengis, Roy G.; Hedger, R.S.; Pini, Attilio; De Vos, Valerius; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1986)
Ten pregnant buffalo cows, six of which were subsequently shown to be carriers of SAT 1, 2 and 3 viruses, were captured in the Kruger National Park (KNP) and allowed to calve in captivity. The buffalo cows and calves were ...
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Thomson, G.R. (Gavin); Gainaru, M.D.; Esterhuysen, Jan J.; Bruce, W.; Pini, Attilio; Bengis, Roy G.; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1986)
Three groups of young buffalo in captivity were infected by exposing them to similar buffalo in the acute stages of infection induced by needle inoculation with SAT 1 or 2 viruses. Clear foot lesions developed in most of ...
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Kruger, F.J.; Tiedt, L.; Du Preez, L.; Hamilton-Attwell, V.L.; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1986)
A structure, presumably a sensory receptor in the nippled tubercles of Schistosoma mattheei, previously observed by scanning electron microscopy, was studied further by light and transmission electron miccroscopy.
The ...
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Prozesky, Leon; Paterson, C.L.; Bezuidenhout, J. Dürr; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1986)
Notwithstanding morphological differences, the ultrastructure of Cowdria ruminantium cultured in vitro concurred to a large extent with that in previous in vivo studies. Two distinct forms of the organism, elementary and ...
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Boomker, Jacob Diederik Frederik; Horak, Ivan Gerard; De Vos, Valerius; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1986)
The helminth species composition and helminth burdens of 4 grey duikers, 12 bushbuck, 2 nyala, 2 giraffe, a steenbok, an oribi, a waterbuck and a tsessebe from the Kruger National Park (KNP); of a steenbok and a greater ...
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Kowalski, Z.E.; Giesecke, W.H.; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1986)
A high performance, liquid chromatographic, gradient method with post-column derivatization and highly sensitive fluorescence detection has been developed for the determination of reducing sugars, such as lactose, galactose ...
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Kowalski, Z.E.; Giesecke, W.H.; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1986)
A high performance, liquid chromatographic, gradient method with post-column derivatization and highly sensitive fluorescence detection has been developed for the determination of reducing sugars, such as lactose, galactose ...
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Stewart, C.G.; Collett, M.G.; Snyman, Helena; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1986)
The immune response to Encephalitozoon cuniculi infection in a dog was investigated by means of the indirect fluorescent antibody test, the leucocyte migration inhibition test and the radial immunodiffusion test for serum ...
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Cameron, Colin McKenzie; Botha, W.J.S.; Schoeman, J.H.; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1986)
A semi-synthetic culture medium and method are described for the production of a reduced dose Clostridium chauvoei vaccine. The vaccine gave excellent results in guinea-pigs, and 2 injections of 2,0 ml protected cattle ...
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Mason, T.E.; Potgieter, F.T.; Van Rensburg, L.; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1986)
A strain of Babesia bovis that had been attenuated by rapid syringe passage through a series of 23 splenectomized calves was unable to infect its vector Boophilus microplus. An attempt to transmit the attenuated Australian ...