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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  • Rabies in southern and eastern Africa : special issue : proceedings of a workshop held at the Faculty of Veterinary Science, University of Pretoria, Onderstepoort, South Africa, 3-5 May 1993 
    Anonymous; Verwoerd, Daniel Wynand; Thomson, G.R. (Gavin); King, Arthur (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    The papers published in these proceedings were read at a rabies workshop held at Onderstepoort, South Africa on 3-5 May 1993 under the auspices of the Southern and Eastern African Rabies Group (SEARG). The major objectives ...
  • Rabies in the Masai Mara, Kenya : preliminary report 
    Alexander, K.A.; Smith, J.S.; Macharia, M.J.; King, A.A.; Rabies in Southern and Eastern Africa. Workshop. (1993, Pretoria, South Africa); Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    A serosurvey of rabies antibodies among domestic dogs (Canis familiaris, n=178), spotted hyaenas (Crocuta crocuta, n=72) and African wild dogs (Lycaon pictus, n=18) of the Masai Mara, Kenya, was carried out. Rabies ...
  • Rabies in wild and domestic carnivores of Africa : epidemiological and historical associations determined by limited sequence analysis 
    Smith, J.S.; Yager, P.A.; Orciari, L.A.; Rabies in Southern and Eastern Africa. Workshop. (1993, Pretoria, South Africa); Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    Virus isolates from three important reservoirs for rabies in Africa (domestic dogs, jackals and yellow mongooses) were compared by their reaction with a panel of monoclonal antibodies directed to the nucleocapsid protein ...
  • Rabies virus antigenicity : an overview 
    Coulon, Patrice; Lafay, Florence; 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 rabies virus genome : an overview 
    Tordo, Noel; Kouknetzoff, 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 replication strategy, genome organization and extent of variation within the genome of the genus Lyssavirus is briefly reviewed. Strategies used in the approach to genome studies are discussed.
  • Recombinant rabies vaccines : efficacy assessment in free-ranging animals 
    Rupprecht, Charles Edward; Hanlon, C.A.; Niezgoda, M.; Buchanan, J.R.; Diehl, D.; Koprowski, H.; Rabies in Southern and Eastern Africa. Workshop. (1993, Pretoria, South Africa); Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    With the advancement of recombinant DNA techniques, a number of potent biologicals are available for the oral vaccination of free-ranging animals. Once oral immunogenicity and vaccine safety have been demonstrated, efficacy ...
  • A redescription of Lipoptena binocula (Speiser 1908) (Hippoboscidae: Diptera), with notes on its biology and comparisons with the other two flies of this genus in South Africa 
    Visagie, Elize J.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    The external morphology of the adult and puparium of Lipoptena binocula are described by means of scanning electron microscopy and the morphological characteristics are compared with those of Lipoptena paradoxa and ...
  • Rhipicephalus aquatilis sp. nov. (Acari: Ixodidae), a new tick species parasitic mainly on the sitatunga, Tragelaphus spekei, in East and Central Africa 
    Walker, Jane B.; Keirans, J.E.; Pegram, R.G.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    This tick, originally referred to as Rhipicephalus species Ill by Yeoman & Walker (1967), was first collected from a sitatunga, Tragelaphus spekei, and then occasionally from cattle, in Tanzania. Further collections, mostly ...
  • Rhipicephalus exophthalmos sp. nov., a new tick species from southern Africa, and redescription of Rhipicephalus oculatus Neumann, 1901, with which it has hitherto been confused (Acari: lxodida: Ixodidae) 
    Horak, Ivan Gerard; Keirans, J.E.; Walker, Jane B.; Heyne, Heloise; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    Rhipicephalus exophthalmos sp. nov., a species which has in the past been confused with Rhipicephalus oculatus Neumann, 1901, is described and illustrated from laboratory-reared specimens. Preferred hosts for the adults ...
  • Rhipicephalus zambeziensis unlikely to transmit foot-and-mouth disease virus 
    Thomson, G.R. (Gavin); Blouin, E.; Potgieter, F.T.; Van Vuuren, C.DeW.J; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    The potential of the ixodid tick, Rhipicephalus zambeziensis, was investigated as a vector in the transstadial transmission of the foot-and-mouth disease virus by feeding nymphae on viraemic (log 1,0-4,0 TCID₅₀/ml) cattle. ...
  • The role of the yellow mongoose (Cynictis penicillata) in the epidemiology of rabies in South Africa - preliminary results 
    Chaparro, F.; Esterhuysen, J.J.; Rabies in Southern and Eastern Africa. Workshop. (1993, Pretoria, South Africa); Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    Ninety-seven yellow mongooses were captured in six different localities in South Africa and blood specimens for rabies antibody determination as well as brain and salivary glands for virus isolation were collected. No ...
  • 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 ...