Browsing Onderstepoort Journal of Veterinary Research by Title

Browsing Onderstepoort Journal of Veterinary Research by Title

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  • The biochemical differentiation between Salmonella and Citrobacter 
    Van der Walt, Martha L.; Steyn, Helena C.; Verwoerd, Daniel Wynand (Published by the Government Printer, Pretoria., 1989)
    A number of bacterial isolates which could not be identified as either Salmonella or Citrobacter by conventional biochemical tests and could not be typed as Salmonella with available antisera, were further examined ...
  • Biochemical studies on a suspected lysosomal storage disease in Abyssinian cats 
    Lange, A. Lucia; Brown, J.M.M.; Maree, Charlotte C.; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1983)
    Blood lipid analysis was performed on the serum of 2 normal kittens and 1 adult cat and on serum from 3 affected kittens. Thin layer chromatography was done on tissue extracts of various organs from clinically affected ...
  • Biochemical studies on aflatoxicosis 
    Brown, J.M.M.; Abrams, L.; Jansen B.C. (Pretoria : The Government Printer, 1965)
    Biochemical studies have been made on liver tissue and blood from ducklings and various breeds of chickens maintained on standard rations containing 0·5 ppm of aflatoxin B₁. The results obtained from these birds were ...
  • Biochemical studies on geeldikkop and enzootic icterus 
    Brown, J.M.M.; Jansen, B.C. (Pretoria : Government Printer, 1968)
    The haematology, chemical pathology, disturbed biochemistry, general enzymology and histopathology of geeldikkop, enzootic icterus and icterogenin intoxication in sheep are presented in full for the first time. The ...
  • Biochemical studies on the eggs of Amblyomma hebraeum 
    Neitz, Albert Walter Herman; Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Vermeulen, N.M.J.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1987)
    The isolation, characterization and kinetic properties of a toxic and non-toxic anti-protease from the eggs of A. hebraeum are compared with similar data obtained for eggs of other tick species. The biochemistry of various ...
  • Biochemical studies on the salivary glands and haemolymph of Amblyomma hebraeum 
    Neitz, Albert Walter Herman; Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Vermeulen, N.M.J.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1987)
    The functional significance of some components of salivary glands and of their secretion and of haemolymph of Amblyomma hebraeum and other tick species is reviewed with respect to host responses at the attachment site, the ...
  • The biochemical, morphological and virulence profiles of Bacillus anthracis isolated in the Kruger National Park 
    Odendaal, M.W.; Pieterson, P.M.; De Vos, Valerius; Botha, A.D.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)
    The biochemical, morphological and virulence profiles of 44 Bacillus anthracis isolates, obtained from various localities and carcass remains of wild animals in the Kruger National Park, South Africa, were examined. The ...
  • Bioclimatological studies on white rats in South Africa. No 1. Skin cancer in rats following continued exposure to sunlight 
    De Kock, G.; Quin, J.I.; Du Toit, P.J. (Pretoria : The Government Printer, 1948)
    1. Skin cancer in rats (and in mice) can be produced by exposing them daily for definite periods to ultraviolet light. 2. Roffo produced identical neoplasms in rats by exposing them daily for 5 hours to sunlight. This was ...
  • A bioequivalence and pharmacokinetic evaluation of two commercial diminazene aceturate formulations administered intramuscularly to cattle 
    Gummow, Bruce; Swan, Gerry E.; Du Preez, J.L.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)
    The bioequivalence of the diminazene formulation Veriben (Centaur) was determined in cattle (n=10) by means of a single-dose, randomized cross-over experiment. The results of nine statistical procedures commonly used for ...
  • The biological value of the proteins of maize and maize supplemented with lysine and tryptophane 
    Marais, J.S.C.; Smuts, D.B.; Du Toit, P.J. (Pretoria : The Government Printer, 1940)
    1. The biological values of whole white maize and whole yellow maize are 76 ± 1.91 and 67 ± 0.98 at approximately 8 per cent. protein level. 2. The proteins of white maize are significantly better than that of yellow ...
  • The biological value of white fishmeal as determined on growing sheep and rats 
    Smuts, D.B.; Marais, J.S.C.; Du Toit, P.J. (Pretoria : The Government Printer, 1939)
    By means of nitrogen metabolism experiments with white fish meal on rats and sheep, it was found that the apparent and true digestibilities of the white fishmeal protein are respectively 79 and 97 percent with rats and 63 ...
  • The biological values of the proteins of oats, barley, wheatbran and pollard 
    Marais, J.S.C.; Smuts, D.B.; Du Toit, P.J. (Pretoria : The Government Printer, 1940)
    The biological values and digestibilities of the proteins of whole oats seed, unpearled barley, wheatbran and pollard have been determined and a figure expressing the percentage utilizable protein calculated.
  • The biological values of the proteins of some South African (whole seed) maize varieties 
    Myburgh, S.J.; Du Toit, P.J. (Pretoria : The Government Printer, 1946)
    1. The biological values of yellow maize and white maize are given for some eleven varieties grown under South African (summer rainfall) conditions. 2. The results indicate that there exists a significant difference in ...
  • Biology of the black-backed jackal Canis mesomelas with reference to rabies 
    McKenzie, Andrew Alec; Rabies in Southern and Eastern Africa. Workshop. (1993, Pretoria, South Africa); Verwoerd, Daniel Wynand (Pretoria : Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    The black-backed jackal is represented in rabies records from southern Africa and is suspected of playing an important role in the disease in this region. The basic biology of the species suggests that it does have certain ...
  • Bionomic studies on cattle in the semi-arid regions of the Union of South Africa. IV. The ovarian cycle of heifers during summer 
    Quinlan, J.; Bisschop, J.H.R.; Adelaar, T.F.; Du Toit, P.J. (Pretoria : The Government Printer, 1941)
    (a) To obtain information concerning the sexual activity of cattle under the environmental conditions prevailing in the north western, semi-arid, summer rainfall areas of the Union of South Africa, a series of sex-physiological ...
  • Biotechnology, viral oncogenesis and jaagsiekte 
    Verwoerd, Daniel Wynand; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1985)
    A brief description is given of the discovery of retroviral and cellular oncogenes and of their putative role in oncogenesis. Attempts to apply the biotechnological techniques that were so successful in the study of other ...
  • Black grain mycetoma (maduromycosis) in horses 
    Coetzer, Jacobus A.W.; Boomker, Jacob Diederik Frederik; Scott, D.B.; De Kock, V.E.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Pretoria : The Government Printer, 1977)
    Black grain mycetoma occurred in two horses, one a cross-bred pony and the other a Thoroughbred racehorse. Lesions were limited to wart-like growths in one case and a deep-seated girth gall in the other. In both cases the ...
  • Blackquarter in South Africa : with special reference to improved methods of inoculation 
    Viljoen, P.R.; Scheuber, J.R.; Du Toit, P.J. (Pretoria : Government Printer and Stationery Office, 1926)
    (1) Blackquarter has been known to exist in South Africa ever since the first veterinarians came to this country. At the present time it is widespread, occurring as an enzootic in many parts of the country, and being ...
  • The blesbuck (Damaliscus albifrons) and the black wildebeest (Conochaetes gnu) as carriers of heartwater 
    Neitz, W.O.; Du Toit, P.J. (Pretoria : Government Printer, 1935)
    1. The transmission of heartwater to three blesbuck and a black wildebeest is discussed. 2. The virulence of the heartwater “virus” did not change by passage through the antelopes. 3. The antelopes did not show any ...
  • Blindness and encephalopathy caused by Helichrysum argyrosphaerum DC (Compositae) in sheep and cattle 
    Basson, P.A.; Miller, E.S.; Kellerman, T. Stephanus; Albl, P.; Von Maltitz, L.J.F.; Welman, Wilhelmina G.; De Kock, V.E.; Bigalke, R.D.; Cameron, Colin McKenzie; Verster, Anna J,M.; Walker, Jane B. (Published by The Government Printer, Pretoria, 1975)
    An outbreak of amaurosis and paresis was observed amongst sheep, and occasionally cattle, which had been grazing on pastures consisting mainly of Helichrysum argyrosphaerum DC. A similar syndrome was produced by feeding ...