Browsing South African National Veterinary Repository by Title

Browsing South African National Veterinary Repository by Title

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  • Trypanosomes of some sub-Saharan birds 
    Squires-Parsons, Deborah; Bennett, Gordon F.; Earle, Roy A.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)
    Linear measurements and derived indices from striated trypanosomes in nine species of sub-Saharan birds representing seven families of the Passeriformes, were compared. The dimensions of the striated trypomastigotes from ...
  • Trypanosomiasis 
    Hornby, H.E.; Pan-African Agricultural and Veterinary Conference (1929 : Pretoria, South Africa) (Union of South Africa, Dept. of Agriculture, 1930)
    This paper is a brief review of the problems which animal trypanosomiasis present to the administrators of Tanganyika Territory and of the lines along which they look for solutions.
  • Trypanosomiasis in Zululand and the control of tsetse flies by chemical means 
    Du Toit, R.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Published by The Government Printer, Pretoria, 1954)
    1. The distribution of Nagana and its importance as a limiting factor in the development of the livestock industry in Africa are stressed. 2. The relationship between the tsetse fly belt within the Union of South Africa ...
  • Trypanosomosis in a bovine 
    Unknown; Onderstepoort Veterinary Institute (South Africa) (2008-03-13)
    Chronic trypanosomosis caused by Trypanosoma virax. The chronic form - the most common - is characterized by emaciation, weakness, lethargy, anaemia, enlarged lymph nodes and subcutaneous (dependent) oedema.
  • Trypanosomosis in a dog 
    Unknown; University of Pretoria. Faculty of Veterinary Science (2008-03-28)
    There are no clinical signs specific for trypanosomosis. The disease may be acute, sub-acute or chronic. Acute disease may be fatal after an illness lasting 2-6 weeks, or it may developed into the chronic phrase which may ...
  • Trypanosomosis in a horse 
    Unknown; Onderstepoort Veterinary Institute (South Africa) (2008-03-27)
    There are no clinical signs specific for trypanosomosis. The disease may be acute, sub-acute or chronic. Acute disease may be fatal after an illness lasting 2-6 weeks, or it may developed into the chronic phrase which may ...
  • Tryptic activation of Clostridium botulinum type Cᵦ toxin 
    Jansen, B.C.; Knoetze, P.C.; South Africa. Dept. of Agricultural Technical Services; De Lange, M.; Reinecke, R.K.; Walker, Jane B.; De Kock, V.E.; Howell, P.G. (Pretoria : Government Printer, 1971)
    The toxicity of factor C₂ produced by C. botulinum type C ᵦ is increased by exposure to 0,1% trypsin at pH 7,5 for 30 minutes. If the tryptic action is allowed to continue at pH 7,5 at room temperature, destruction of ...
  • Tsetse distribution in Africa : map 
    ARC-Onderstepoort Veterinary Research (1940)
    Map of the tsetse fly distribution in Africa
  • A tsetse fly (Glossina morsitans) next to a match stick head 
    Robinson, J.; Onderstepoort Veterinary Institute (South Africa) (2008-04-17)
    Glossina morsitans, a species originally thought to be the sole transmitter of Trypanosoma brucei brucei, the cause of nagana in central Africa; this species transmits this disease in some regions, but it is not the sole ...
  • Tsetse fly (Glossina spp) (2) 
    Unknown; Onderstepoort Veterinary Institute (South Africa) (2008-02-27)
    Tsetse-flies are bloodsucking flies which transmit trypanosomes biologically from animal to animal.
  • Tsetse fly (Glossina spp)(1) 
    Unknown; Onderstepoort Veterinary Institute (South Africa) (2008-04-16)
    Tsetse-flies are bloodsucking flies which transmit trypanosomes biologically from animal to animal.
  • Tsetse fly zones in Mozambique : map 
    ARC-Onderstepoort Veterinary Research (1940)
    Map of Mozabique showing tsetse fly zones c. 1940
  • The tuberculin test in guinea-pigs and cattle. The allergic response of animals to tuberculin and to extracts of non-pathogenic acid-fast bacteria 
    Canham, A.S.; Du Toit, P.J. (Pretoria : The Government Printer, 1944)
    1. In guinea-pigs a sufficient degree of infection with the organism of tuberculosis can be set up by artificial means so that reactions with tuberculin are given within from 24 to 30 days. This means that the period ...
  • Tuberculosis in buffaloes (Syncerus caffer) in the Kruger National Park: spread of the disease to other species 
    Penrith, Mary-Louise; Michel, Anita Luise; Keet, D.F.; Kriek, N.P.J.; Huchzermeyer, Hildegard F.A.K.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    Tuberculosis, caused by Mycobacterium bovis, was recently diagnosed in a cheetah (Acinonyx jubatus) , two lions (Panthera leo) and a chacma baboon (Papio ursinus) from the Kruger National Park (KNP). It is assumed that ...
  • Tuberculosis in kudus (Tragelaphus strepsiceros) in the Kruger National Park 
    Michel, Anita Luise; Keet, D.F.; Kriek, N.P.J.; Bengis, Roy G.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    Five kudus ( Tragelaphus strepsiceros), three bulls and two cows, within the Greater Kruger National Park complex, were diagnosed with generalized tuberculosis caused by Mycobacterium bovis. The lesions seen ...
  • Tuberculosis in man, an animal health problem 
    Fourie, P.J.J.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Published by The Government Printer, Pretoria, 1952)
    In testing the Onderstepoort herd of experimental animals, totalling 224 animals, 10 positive reactors were found in 1949. Since tuberculosis was eradicated from this herd in 1940 by slaughtering all reactors and doubtful ...
  • Tuberculosis, caused by Mycobacterium bovis, in a kudu (Tragelaphus strepsiceros) from a commercial game farm in the Malelane area of the Mpumalanga Province, South Africa 
    Michel, Anita Luise; Bengis, Roy G.; Keet, D.F.; Kriek, N.P.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., 2001)
    Tuberculosis, caused by Mycobacterium bovis, was diagnosed for the first time, in a kudu cow from a commercial game ranch in the Malelane area of the Mpumalanga Province close to the Kruger National Park. This diagnosis ...
  • Tulp poisoning 
    Steyn, D.G.; Union of South Africa. Dept. of Agriculture (Pretoria : Government Printer and Stationery Office, 1928)
  • Tumour regression in mice after treatment with extracts of the bone marrow from cattle harbouring tick-borne infections 
    King, A.C.; De Kock, V.E.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (The Government Printer, Pretoria, 1978)
    Complete regression of a transplantable fibrosarcoma of mice was induced in an average of 86% of animals receiving repeated subcutaneous injections of an extract of the bone marrow from cattle harbouring Babesia parasites. ...
  • Turkey meningoencephalitis in South Africa 
    Barnard, B.J.H.; Buys, S.B.; Du Preez, J.H.; Greyling, S.P.; Venter, H.J.; 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., 1980)
    Turkey meningo-encephalitis is a neuroparalytic disease of turkey’s first described and shown to be caused by a flavivirus in Israel. During 1978 a similar disease was observed in South Africa. In addition to the lesions ...