Browsing Onderstepoort Journal of Veterinary Research by Title

Browsing Onderstepoort Journal of Veterinary Research by Title

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  • Laboratory and field investigations into the Theileria parva carrier-state in cattle in Zimbabwe 
    Latif, Abdalla A.; Hove, T.; Kanhai, G.K.; Masaka, S.; 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)
    The Theileria parva carrier-state in cattle on commercial farms on Zimbabwe was investigated using parasitological and serological methods. The proportion of cattle showing Theileria piroplasms on two farms, ...
  • Laboratory and field trials with two Bacillus thuringiensis var. israelensis products for Simulium (Diptera: Nematocera) control in a small polluted river in South Africa 
    Car, M.; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1984)
    The effects on Simulium adersi and S. hargreavesi larvae of 2 Bacillus thuringiensis var. israelensis products, the liquid formulation "Teknar" (Sandoz) and a powder formulation produced by the Ben Gurion University, Israel, ...
  • Laboratory confirmation of African horsesickness in the Western Cape : application of a F(ab')₂-based indirect ELISA 
    Du Plessis, D.H.; Van Wyngaardt, Wouter; Gerdes, Gertruida Hermanna; Opperman, E.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1991)
    Recently a suspected outbreak of African horsesickness in the Western Cape Province resulted in the deaths of four foals and one adult horse. Spleen samples from these animals were subjected to analysis by an enzyme-linked ...
  • Laboratory investigations on the life-cycle of Rhipicephalus theileri Bedford & Hewitt, 1925 (Ixodoidea: Ixodidae) 
    Neitz, W.O.; Walters, H.S.; Boughton, F.; De Kock, V.E.; De Lange, M.; Bigalke, R.D.; Howell, P.G.; Reinecke, R.K.; Walker, Jane B. (Published by the Government Printer, Pretoria, 1972)
    Detailed data on the rearing of the progeny of a single R. theileri female for 7 generations at 25 to 26°C and 85 to 90% RH are presented in a series of tables and a figure. The average duration of the lifecycle is 491 ...
  • Laboratory investigations on the life-cycle of the Karoo paralysis tick (Ixodes rubicundus Neumann, 1904) 
    Neitz, W.O.; Boughton, F.; Walters, H.S.; 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)
    Detailed data on the rearing of three groups of Ixodes rubicundus ticks at different temperature and humidity levels are presented in a series of tables and figures. The differences between the life-spans are seen to be ...
  • A laboratory scale apparatus for the continuous culture of micro-organisms with automatic pH control 
    Serfontein, W.J.; Weyland, H.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Pretoria : The Government Printer, 1959)
    The authors give technical details of their modification of the "chemostat" for the continuous culture of micro-organisms. Apparatus incorporates an automatic pH control and has given satisfactory results for runs lasting ...
  • Laboratory studies on the biology of Simulium nigritarse Coquillett and Simulium adersi Pomeroy (Diptera : simuliidae) 
    Begemann, G.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)
    The eggs of both Simulium nigritarse and S. adersi took up to 13 days to hatch in water at a temperature of 25 °C. The larvae of S. nigritarse required a minimum of 20 days and those of S.adersi a minimum of 17 days to ...
  • Lack of cross-immunity among Pasteurella multocida Type A strains 
    Cameron, Colin McKenzie; Pienaar, Lorraine; Vermeulen, Aletta S.M.; 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. (Pretoria : The Government Printer, 1980)
    Active and passive protection studies in mice using sheep antisera revealed that the immunological relationship among Pasteurella multocida Type A strains could not be correlated with their serological relationship as ...
  • Lamproglena hoi n. sp. (Copepoda: Lernaeidae) from two yellowfish hosts, Barbus marequensis and Barbus polylepis, caught in a river in Mpumalanga, South Africa 
    Dippenaar, Susan M.; Luus-Powell, Wilmien J.; Roux, F.; 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)
    Lamproglena hoi n. sp. was collected from the gill filaments of largescale yellowfish, Barbus marequensis A. Smith, 1841 and smallscale yellowfish, Barbus polylepis Boulenger, 1907 from the Spekboom River, Mpumalanga, South ...
  • Lamsiekte (Parabotulism) in cattle in South Africa : appendix 
    Theiler, Arnold, Sir, 1867-1936; Du Toit, P.J.; Viljoen, P.R.; Green, H.H.; Meier, Hans; Robinson, E.M.; Union of South Africa. Dept. of Agriculture (Pretoria : Government Printer and Stationery Office, 1927)
    The tables in the appendix are part of Section 6 - Osteophagia and phosphorus deficiency in relation to lamsiekte. At the end of the tables are general photos of the disease lamsiekte. Fig. 16-19 are referred to in Section 5.
  • Lamsiekte (Parabotulism) in cattle in South Africa : cause of the disease and experiments upon its production in the lamsiekte area 
    Theiler, Arnold, Sir, 1867-1936; Du Toit, P.J.; Viljoen, P.R.; Green, H.H.; Meier, Hans; Robinson, E.M.; Union of South Africa. Dept. of Agriculture (Pretoria : Government Printer and Stationery Office, 1927)
    Section 2 describes firstly experiments on the drenching of cattle with various materials e.g. pupae of a blow-fly reared on carcasses of cattle that died of naturally contracted lamsiekte, crushed putrid bones of bovine ...
  • Lamsiekte (Parabotulism) in cattle in South Africa : definition and historical notes 
    Theiler, Arnold, Sir, 1867-1936; Du Toit, P.J.; Viljoen, P.R.; Green, H.H.; Meier, Hans; Robinson, E.M.; Union of South Africa. Dept. of Agriculture (Pretoria : Government Printer and Stationery Office, 1927)
    This report om Lamsiekte consists of a foreword by Sir Arnold Theiler, an introductory overview, 8 sections and an appendix to section 6 consisting of tables and figures. The 8 sections are: 1-Definition and historical ...
  • Lamsiekte (Parabotulism) in cattle in South Africa : experiments outside the recognized lamsiekte area 
    Theiler, Arnold, Sir, 1867-1936; Du Toit, P.J.; Viljoen, P.R.; Green, H.H.; Meier, Hans; Robinson, E.M.; Union of South Africa. Dept. of Agriculture (Pretoria : Government Printer and Stationery Office, 1927)
    Section 3 describes experiments done on animals outside the recognised lamsiekte area. The research was done by drenching animals with materials originating at Onderstepoort, Natal and Armoedsvlakte. Then another set of ...
  • Lamsiekte (Parabotulism) in cattle in South Africa : foreword 
    Theiler, Arnold, Sir, 1867-1936; Du Toit, P.J.; Viljoen, P.R.; Green, H.H.; Meier, Hans; Robinson, E.M.; Union of South Africa. Dept. of Agriculture (Pretoria : Government Printer and Stationery Office, 1927)
  • Lamsiekte (Parabotulism) in cattle in South Africa : introductory review 
    Theiler, Arnold, Sir, 1867-1936; Du Toit, P.J.; Viljoen, P.R.; Green, H.H.; Meier, Hans; Robinson, E.M.; Union of South Africa. Dept. of Agriculture (Pretoria : Government Printer and Stationery Office, 1927)
    This report on Lamsiekte consists of an introductory overview, 8 sections and an appendix to section 6 consisting of tables and figures. The 8 sections are: 1-Definition and historical notes; 2-Cause of the disease and ...
  • Lamsiekte (Parabotulism) in cattle in South Africa : isolation and description of the toxicogenic saprophyte 
    Theiler, Arnold, Sir, 1867-1936; Du Toit, P.J.; Viljoen, P.R.; Green, H.H.; Meier, Hans; Robinson, E.M.; Union of South Africa. Dept. of Agriculture (Pretoria : Government Printer and Stationery Office, 1927)
    Section 5 describes experiments to isolate the toxicogenic saprophyte. These experiments showed that an organism of the Clostritium type was isolated from material which produced lamsiekte when given to susceptible animals ...
  • Lamsiekte (Parabotulism) in cattle in South Africa : osteophagia and phophorus deficiency in relation to lamsiekte 
    Theiler, Arnold, Sir, 1867-1936; Du Toit, P.J.; Viljoen, P.R.; Green, H.H.; Meier, Hans; Robinson, E.M.; Union of South Africa. Dept. of Agriculture (Pretoria : Government Printer and Stationery Office, 1927)
    Results obtained from the experiments on osteophagia showed: The immediate cause of bovine osteophagia is a deficiency of phosphorus in the veld vegetation of soils very low in phosphorus content; Osteophagia can be produced ...
  • Lamsiekte (Parabotulism) in cattle in South Africa : pathology and pathogenesis of lamsiekte 
    Theiler, Arnold, Sir, 1867-1936; Du Toit, P.J.; Viljoen, P.R.; Green, H.H.; Meier, Hans; Robinson, E.M.; Union of South Africa. Dept. of Agriculture (Pretoria : Government Printer and Stationery Office, 1927)
    This section contains rather detailed reports of all the post-mortem findings on animals which died from both experimentally induced lamsiekte as well as naturally contracted lamsiekte.
  • Lamsiekte (Parabotulism) in cattle in South Africa : symptomatology of lamsiekte 
    Theiler, Arnold, Sir, 1867-1936; Du Toit, P.J.; Viljoen, P.R.; Green, H.H.; Meier, Hans; Robinson, E.M.; Union of South Africa. Dept. of Agriculture (Pretoria : Government Printer and Stationery Office, 1927)
    Experiments were undertaken to note the symptoms and the course of the disease in cattle, small ruminants, equines and a few bird species.
  • Lamsiekte (Parabotulism) in cattle in South Africa : the lamsiekte toxin 
    Theiler, Arnold, Sir, 1867-1936; Du Toit, P.J.; Viljoen, P.R.; Green, H.H.; Meier, Hans; Robinson, E.M.; Union of South Africa. Dept. of Agriculture (Pretoria : Government Printer and Stationery Office, 1927)
    The experiments recorded in the following pages (the protocols of which will be found in Appendix, page 1152) were undertaken with the object (1) of studying the properties of the lamsiekte toxin and determining its minimum ...