Browsing 1993 Onderstepoort Journal of Veterinary Research, Volume 60, 1993 by Title

Browsing 1993 Onderstepoort Journal of Veterinary Research, Volume 60, 1993 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 ...
  • Serological evidence of equine arteritis virus in donkeys in South Africa 
    Paweska, Janusz Tadeusz; Barnard, B.J.H.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    This paper reports the first serological evidence of exposure of donkeys to equine arteritis virus. Seven hundred and thirty-four serum samples collected between 1989 and 1992 from donkeys in different areas of South ...
  • Social systems and behaviour of the African wild dog Lycaon pictus and the spotted hyaena Crocuta crocuta with special reference to rabies 
    Mills, Michael G.L. (Gus); Rabies in Southern and Eastern Africa. Workshop. (1993, Pretoria, South Africa); Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    Differences in the social systems and behaviour of two potentially important hosts of rabies, the African wild dog and the spotted hyaena, may lead to differences in the epizootiology of the disease in the two species. ...
  • Subject index 
    Rabies in Southern and Eastern Africa. Workshop. (1993, Pretoria, South Africa); Anonymous; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
  • A systematic and population genetic approach to the rabies problem in the yellow mongoose (Cynictis penicillata) 
    Taylor, P.J. (Peter John); Rabies in Southern and Eastern Africa. Workshop. (1993, Pretoria, South Africa); Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    This paper reviews recent studies on the biology, systematics and population genetics of yellow mongoose populations in terms of possible implications for the epidemiology of rabies. Based on parallel studies, the existence ...
  • Taxonomy and evolutionary studies on Lyssaviruses with special reference to Africa 
    Bourhy, H.; Kissi, B.; Tordo, Noel; Rabies in Southern and Eastern Africa. Workshop. (1993, Pretoria, South Africa); Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    Currently, the Lyssavirus genus is composed of four serotypes and the ungrouped European bat lyssaviruses (EBL). Using previously described PCR amplification and direct sequencing methods, the N genes of 70 representative ...
  • The topography of the thoracic and abdominal organs of the Nile crocodile (Crocodylus niloticus) 
    Van der Merwe, N.J.; Kotze, Sanet H.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    The pleural cavity of the Nile crocodile is divided into two separate cavities by means of a complete mediastinum. The pleural cavity contains the lungs, while the heart is situated in its own cavity, the pericardial ...
  • Ultrastructure of ostrich (Struthio camelus) spermatozoa : I. Transmission electron microscopy 
    Soley, John Thomson; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    The origin and relationships of the tinamous (Order Tinamiformes), ratites (Order Struthioniformes, Rheiformes, Casuariiformes, Apterygiformes) and birds of the order Galliformes and Anseriformes is the subject of much ...
  • Ultrastructure of the epithelium of the rumen, reticulum and omasum of grey, white and black Karakul lambs 
    Groenewald, Hermanus B.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    Mortalities due to digestive disturbances occur in homozygous grey and white lambs after they have reached weaning age. Milk-filled, distended rumens, due to malfunctioning of the oesophageal groove, are found 24 h after ...
  • Ultrastructure of the myenteric ganglia in the rumen, reticulum, omasum and abomasum of grey, white and black Karakul lambs 
    Groenewald, Hermanus B.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    Homozygous grey and white Karakul lambs die after they have reached weaning age. This is due to a lethal gene causing digestive disturbances. Previous studies revealed that grey and white lambs have large, milk-filled ...
  • The use of EDTA in the microtitration serum agglutination test in bovine brucellosis 
    Potts, A.D.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    The use of EDTA in the microtitration serum agglutination test reduced the incidence of low-titre agglutinations in sera with titres < 30 international units per ml in the complement fixation test, while not affecting ...
  • The use of the GENETRAK Escherichia coli probe kit for the detection of three atypical E. coli isolates 
    Davis, A.J.; Bragg, R.R. (Robert Richard); Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    A commercially available E. coli probe kit was used to test 1 lactose negative E. coli isolate and 2 hydrogen sulphide-producing E. coli isolates. The isolates were confirmed as E. coli by means of the API system. The ...
  • Variation in clinical disease and species susceptibility to psittacine beak and feather disease in Zimbabwean lovebirds 
    Kock, N.D.; Hangartner, P.U.; Lucke, V.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    While psittacine beak and feather disease has caused 100% mortality in captive flocks of 2 species of native Zimbabwean lovebirds (Agapornis nigrigensis and A. lilianae), other lovebird species in close contact with the ...
  • Wildlife rabies in perspective 
    Wandeler, A.I. (Alexander I.); Rabies in Southern and Eastern Africa. Workshop. (1993, Pretoria, South Africa); Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    Populations of a number of species of the orders Carnivora and Chiroptera maintain independent rabies epidemics in different parts of the world. However, in large parts of Africa, Asia, and Latin America, rabid dogs ...