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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  • Pathogenicity and chemotherapy of Plasmodium durae in experimentally infected domestic turkeys 
    Huchzermeyer, Fritz W.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    Only 3 out of 8 South African isolates of Plasmodium durae used in 524 turkeys in 161 passages caused approximately 50% mortality, a further 3 produced approximately 10% mortality while 2 were found to be apathogenic. ...
  • Plasmid-encoded NAD independence in some South African isolates of Haemophilus paragallinarum 
    Verschoor, J.A. (Jan Adrianus), 1953-; Bragg, R.R. (Robert Richard); Coetzee, L.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    Atypical Haemophilus paragallinarum have been isolated from both laying hens and broilers suffering from typical symptoms of infectious coryza in South Africa. Re-inoculation of these bacteria into SPF chickens resulted ...
  • Prevalence of antibodies against some equine viruses in zebra (Zebra burchelli) in the Kruger National Park, 1991-1992 
    Paweska, Janusz Tadeusz; Barnard, B.J.H.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    The presence of antibodies against equine encephalosis virus (EEV) and equid herpesvirus 1 and 4 in zebra in the Kruger National Park (KNP) was demonstrated. The ability of zebra to maintain immunity against EEV is ...
  • Rabies and bats in a rabies-endemic area of southern Africa : application of two commercial test kits for antigen and antibody detection 
    Oelofsen, M.J.; Smith, M.S.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    In southern Africa, isolates of rabies-related viruses (i.e. Duvenhage virus and Lagos bat virus) have been made from insectivorous and frugivorous bats. As no recent formal bat virus survey has been reported in southern ...
  • Rabies and wildlife : a conservation problem? 
    Macdonald, David W.; Rabies in Southern and Eastern Africa. Workshop. (1993, Pretoria, South Africa); Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    Understanding the behavioural ecology of wild mammals in rabies epizootics is a prerequisite to scientifically sound management of the disease. The principal vectors of wildlife rabies in a region tend to be abundant ...
  • Rabies eradication in Belgium by fox vaccination using vaccinia-rabies recombinant virus 
    Brochier, B.; Pastoret, P.P.; Rabies in Southern and Eastern Africa. Workshop. (1993, Pretoria, South Africa); Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    Oral immunization of foxes against rabies, by distributing vaccine-baits in the field, has been in progress since 1993 in the whole of the infected area of Belgium (10 000 km²). A vaccinia-rabies recombinant virus (VR-G) ...
  • Rabies in bat-eared foxes in South Africa 
    Thomson, G.R. (Gavin); Meredith, C.D.; Rabies in Southern and Eastern Africa. Workshop. (1993, Pretoria, South Africa); Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    Rabies in bat-eared foxes was first recognized in South Africa in 1955 and is likely to have been derived from canine rabies introduced to South Africa in 1950. Since then it has become established in this species in the ...
  • Rabies in southern Africa 
    Swanepoel, Robert; Barnard, B.J.H.; Meredith, C.D.; Bishop, G.C.; Foggin, Chris M.; Hubschle, Otto J.B.; Bruckner, Gideon K.; 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 first confirmed outbreak of rabies in Africa, believed to have followed the importation of an infected dog from England in 1892, occurred in the eastern Cape Province of South Africa, and was brought under control ...
  • 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 ...