Browsing Onderstepoort Journal of Veterinary Research by Title

Browsing Onderstepoort Journal of Veterinary Research by Title

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  • SAG-2 oral rabies vaccine 
    Schumacher, C.L.; Coulon, Patrice; Lafay, F.; Benejean, J.; Aubert, M.F.A.; Barrat, J.; Aubert, A.; Flamand, Anne; Rabies in Southern and Eastern Africa. Workshop. (1993, Pretoria, South Africa); Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    The live modified rabies virus vaccine strain SAG-2 was selected from SAD Berne in a two step process employing anti-rabies glycoprotein monoclonal antibodies. The first two nucleotides coding for the amino acid in ...
  • Salmonella bovis-morbificans (Basenau) from an outbreak of food-poisoning in the Cape Province 
    Henning, M.W.; Greenfield, E.C.; Du Toit, P.J. (Pretoria : The Government Printer, 1937)
    The antigenic structure of the Salmonella isolated by Greenfield and Judd (1936) from an outbreak of food-poisoning at the Cape Peninsula is described. As its antigenic components were found to resemble those of bovis-morbificans ...
  • Salmonella isolated from crocodiles and other reptiles during the period 1985-1994 in South Africa 
    Huchzermeyer, Fritz W.; Van der Walt, Martha L.; Steyn, Helena C.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    Over a 10-year period, 173 isolates of Salmonella were obtained during routine isolation from reptiles. Of the 173 isolates, 92 different Salmonella serovars were identified. Of them, 61 (66%) belonged to subspecies I, ...
  • Salmonella isolated from feeds and feed ingredients during the period 1982-1988 : animal and public health implications 
    Durand, Anette M.; Giesecke, W.H.; Barnard, Marie-Luise; Van der Walt, Martha L.; Steyn, Helena C.; Verwoerd, Daniel Wynand (Published by the Government Printer, Pretoria., 1990)
    The prevalence of Salmonella in southern Africa in farm feeds and by-products of animal origin during 1982-1988 was determined. Salmonella occurred in 5,18% of the farm feed samples and in 9,54% of the by-product samples. ...
  • A scanning and transmission electron-microscopy study of jaagsiekte lesions 
    Verwoerd, Daniel Wynand; Payne, Anna-Lise; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1984)
    A scanning electron microscopy (SEM) and transmission electron microscopy (TEM) study was made of lesions from acute, experimentally induced cases of jaagsiekte. In the SEM study tumour cells were easily identified by the ...
  • Scanning electron and light microscopy of the mucosa of the equine ileocaecal junction 
    Soley, John Thomson; Kotze, Sanet H.; Verwoerd, Daniel Wynand (Pretoria : Government Printer, 1990)
    The ileocaecal junction mucosal surface morphology of 5 horses and 1 donkey was examined using scanning electron microscopy and light microscopy. Based on differences in surface morphology, the junction could be divided ...
  • Scanning electron microscopy aided observations on and therapy of teat canal infections 
    Du Preez, J.H.; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M.C. (Published by The Government Printer, Pretoria, 1979)
    An examination of teat canal swabs established that 51 teat canals out of 68 quarters of machine milked cows were colonized by Staphylococcus aureus. Only 31 of these quarters yielded milk from which S. aureus could be ...
  • Scanning electron microscopy of Strongylus spp. in zebra 
    Els, H.J.; Malan, F.S.; Scialdo-Krecek, Rosina C.; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1983)
    The external ultrastructure of the anterior and posterior extremities of the nematodes, Strongylus asini, Strongylus vulgaris, Strongylus equinus and Strongylus edentatus, was studied with scanning electron microscopy ...
  • Scanning electron microscopy of the mucosal surface of the forestomachs and abomasa of grey, white and black Karakul lambs 
    Groenewald, Hermanus B.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1992)
    Homozygous grey and white Karakul lambs suffer from a lethal genetic factor causing death after weaning. Previous studies revealed large milk-filled rumens in the grey and white lambs which was attributed to a significant ...
  • Scanning electron microscopy of the tegumental surface of Heterobilharzia americana (Trematoda; Schistosomatidae) 
    Scialdo-Krecek, Rosina C.; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1983)
    An attempt is made in this paper to define more clearly the tegumental microstructure of the schistosome, Heterobilharzia americana. The adult parasites were examined with scanning electron microscopy at 75-10 000 ...
  • Scanning electron microscopy of the teguments of males from five populations of Schistosoma mattheei 
    Kruger, F.J.; Hamilton-Attwell, V.L.; Schutte, C.J.H. (Casper Jan Hendrik), 1934-2013; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1986)
    The teguments of males from 5 populations of S. mattheei, of which 3 were sympatric and 2 allopatric with S. haematobium, were studied by means of scanning electron microscopy (SEM). A certain percentage of the males of ...
  • A scanning electron-microscope examination of the scolex of Houttuynia struthionis 
    Fourie, H.J.; Van Amelsfoort, A.F.; Michael, L.M.; Putterill, John Fraser; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    A scanning electron-microscope examination of the scolex of Houttuynia struthionis, a cestode of ostriches, was undertaken in order to study its surface structure. The scolex differs from those of other subfamilies in ...
  • Schistosoma mattheei - an ovum containing twin miracidia 
    Van Wyk, Jan Aucamp; Van Rensburg, L.J.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2003)
    A large Schistosoma mattheei ovum containing two miracidia was recovered from a squash preparation of the liver of an experimentally infected hamster. When observed, the miracidia were motile and facing in opposite directions.
  • Schistosoma mattheei infection in cattle: the course of the intestinal syndrome, and an estimate of the lethal dose of cercariae 
    Van Wyk, Jan Aucamp; Van Rensburg, L.J.; Heitmann, L.P.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    Three groups of young oxen were infected percutaneously with cercariae of Schistosoma mattheei. Three of five oxen infected with 248 cercariae/kg mass died or were killed in extremis 58-70 d after infection, a fourth ...
  • Schistosoma mattheei Veglia & LeRoux, 1929, egg output from cattle in a highly endemic area in the eastern Transvaal 
    Pitchford, R.J.; Visser, P.S.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    The results of 6-month estimations of S. mattheei faecal egg counts on 513 cattle in a highly endemic area of the eastern Transvaal over a 2-year period are given. After an initial high egg output of short duration the egg ...
  • Schistosoma Weinland, 1858 from Hippopotamus amphibius Linnaeus, 1758 in the Kruger National Park 
    Pitchford, R.J.; Visser, P.S.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1981)
    Adults of Schistosoma edwardiense Thurston, 1964, were recovered from Hippopotamus amphibius in the Kruger National Park. Small round to oval Schistosoma margrebowiei-like eggs, presumed to be those of S. edwardiense, were ...
  • Screening of the venoms of two Parabuthus scorpion species on isolated cardiomyocytes 
    Van Aarde, M.N.; Van Rooyen, J.M.; Van Aswegen, G.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    Crude, diluted venoms of Parabuthus transvaalicus and P. granulatus were tested on isolated cardiomyocytes. Ventricular myocytes were subjected to hypercontractility tests and whole-cell voltage clamp. Both venoms had a ...
  • A search for tick parasites in South Africa 
    Cooley, R.A.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1934)
    A detailed account is given of an expedition to South Africa undertaken by the author between 4th June and 17th October 1928 to obtain information on the parasites of ticks [ cf. R.A.E., B 18 1631.] A list is given of all ...
  • Seasonal abundance and distribution of Parafilaria bovicola ovipositional blood spots on cattle in South Africa 
    Nevill, E.M.; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1984)
    More than 23 000 cattle of both sexes and different ages were examined for blood spots caused by egglaying females of P. bovicola. Although these studies extended over four years and involved 5 farms in different parts of ...
  • Seasonal abundance and parity of Culicoides biting midges associated with livestock at Roma, Lesotho (Diptera : Ceratopogonidae) 
    Venter, Gert Johannes; Sweatman, G.K.; Verwoerd, Daniel Wynand (Published by the Government Printer, Pretoria., 1989)
    A light-trap survey was undertaken of the species composition, seasonal abundance and parity of Culicoides at Roma, Lesotho, to establish whether the likely vectors for bluetongue and African horse sickness occur in this ...