Browsing 1993 Onderstepoort Journal of Veterinary Research, Volume 60, 1993 by Issue Date

Browsing 1993 Onderstepoort Journal of Veterinary Research, Volume 60, 1993 by Issue Date

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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. ...
  • The identification of Mycoplasma mycoides mycoides LC as the aetiological agent of balanoposthitis and vulvovaginitis in sheep in South Africa 
    Prozesky, Leon; Trichard, C.J.V.; Jordaan, P.; Jacobsz, Elsie P.; Henton, Marijke M.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    Clinical ulcerative balanoposthitis and vulvovaginitis was experimentally reproduced in 14 sheep infected with a Mycoplasma mycoides mycoides LC field strain, isolated from the Straussheim Dorper stud. The study encompassed ...
  • Dog ecology in eastern and southern Africa - implications for rabies control 
    Perry, B.D. (Brian D.), 1946-; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    With an apparent decline in rabies vaccination coverage in dog populations in many parts of eastern and southern Africa, consideration should be given to more effective targeting of rabies vaccination to protect those ...
  • Monoclonal antibody characterization of South African field 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)
    A total of 27 different isolates of Haemophilus paragallinarum were made from chickens between June 1991 and December 1992. All of these isolates were examined by ELISA, by means of a locally produced panel of three ...
  • 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 ...
  • 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 ...
  • 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 ...
  • Oral rabies vaccination of jackals : progress in Zimbabwe 
    Bingham, J.; Perry, B.D. (Brian D.), 1946-; King, A.A.; Schumacher, C.L.; Aubert, M.; Kappeler, A.; Foggin, Chris M.; Hill, F.W.G.; Aubert, 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)
    Work on the development of an oral vaccination system for jackals is underway at the Veterinary Laboratory (Diagnostics and Research Branch), Zimbabwe. It is anticipated that the system will be used to control the large ...
  • 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)
  • Detection of bluetongue virus RNA in cell cultures and in the central nervous system of experimentally infected mice using in situ hybridization 
    Venter, Estelle Hildegard; Van der Lugt, Jaco J.; Gerdes, Gertruida Hermanna; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    Two radiolabelled complementary DNA (eDNA) probes (1663 bp and 200 bp res pectively) were prepared from the genome segment that encodes the non-structural protein 1 (NS1) of bluetongue virus serotype 4 (BTV4). The probes ...
  • 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 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 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 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)
  • 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 ...
  • 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 ...
  • 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 ...
  • The bat-eared fox : a prime candidate for rabies vector? 
    Nel, J.A.J.; Rabies in Southern and Eastern Africa. Workshop. (1993, Pretoria, South Africa); Verwoerd, Daniel Wynand (Pretoria : Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    Bat-eared foxes, Otocyon megalotis , are small (3-5 kg) , primarily insectivorous carnivores widespread in the more arid areas of southern and East Africa. For many months of the year they live in nuclear family groups, ...
  • 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. ...
  • Bat-eared fox behavioural ecology and the incidence of rabies in the Serengeti National Park 
    Maas, B.; 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 provides a brief introduction into some aspects of bat-eared fox biology and social organization that is important to understanding rabies transmission and disease management in susceptible wildlife species ...