1976 Onderstepoort Journal of Veterinary Research, Volume 43, 1976

1976 Onderstepoort Journal of Veterinary Research, Volume 43, 1976

 

Untitled Document

CONTENTS
Volume 43: Number 1
The fine structure of merozoites of babesia bovis in the gut epithelium of boophilus microplus Potgieter, F.T.; Els, H.J.; Van Vuuren, A.S. 1

Volatile fatty acid metabolism in sheep. 1. Average daily volatile fatty acid production in the rumen of sheep fed lucerne hay Van der Walt, J.G.; Briel, B.J. 11

The effect of gamma radiation on the cysticerci of Taenia solium Verster, A.; Du Plessis, T.A.; Van Den Heever, L.W. 23

Ticks from the African buffalo (Syncerus caffer) in Ngamiland, Botswana Carmichael, I.H. 27

Volume 43: Number 2
Immunization of mice and calves against Salmonella dublin with attenuated live and inactivated vaccines Cameron, C.M.; Fuls, W.J.P. 31

The isolation of Mycoplasms synoviae from chickens with infectious synovitis and air-sacculitis in the Republic of South Africa Buys, S.B. 39

Studies on schistosomiasis. 8. The influence of age on the susceptibility of sheep to infestation with Schistosoma mattheei. Van Wyk, J.A.; Van Rensburg, L.J.; Heitmann, L.P. 43

Observations on the transmission, immunology, clinical signs and chemotherapy of dourine (Trypanosoma equiperdum infection) in horses, with special reference to cerebro-spinal fluid Barrowman, P.R. 55

Maldronksiekte in cattle : a neuronopathy caused by Solanum Kwebense N.E. Br. Pienaar, J.G.; Kellerman, T.S.; Basson, P.A.; Jenkins, W.L.; Vahrmeijer, J. 67

RESEARCH NOTE: Cerebral babesiosis in a new-born calf

De Vos, A.J.; Imes, G.D.; Cullen, J.S.C.; 75

Volume 43: Number 3
Gonad development and gametogenesis in Boophilus decoloratus (Koch, 1844) (Acarina Metastriata Ixodidae) Londt, J.G.H.; Spicket, A.M. 79

Antibody response to and immunity induced by Corynebacterium pyogenes vaccine Cameron, C.M.; Botha, W.F.; Smit, B.H.J. 97

Ixodes (Afrixodes) Bakeri Arthur & Clifford, 1961 (Acarina: Ixodidae): description of the male and immature stages from rodents and insectivores and notes on its biology in South Africa Clifford, C.M.; Walker, J.B.; Keirans, J.E. 105

Leukoencephalomalacia: a mycotoxicosis of Equidae caused by Fusarium moniliforme Sheldon Marasas, W.F.O.; Kellerman, T.S.; Naude, T.W.; Pienaar, J.G. 113

Light and electron microscopic observations on the development of small merozoites of Babesia bovis in Boophilus microplus larvae Potgieter, F.T.; Els, H.J. 123

Q fever in cattle and sheep in Southern Africa. A preliminary report Schutte, A.P.; Kurz, J.; Barnard, B.J.H.; Roux, D.J. 129

Transmission of jaagsiekte (ovine pulmonary adenomatosis) by means of a permanent epithelial cell line established from affected lungs Coetzee, S.; Els, H.J.; Verwoerd, D.W. 133

Fertilization capacity of Boophilus decoloratus (Koch, 1844) (Acarina: Ixodidae) Londt, J.G.H. 143

A highly fatal tremorgenic mycotoxicosis of cattle caused by Aspergillus Clavatus Kellerman, T.S.; Pienaar, J. G.; Van der Westhuizen, G.C.A.; Anderson, L.A.P.; Naude, T.W. 147
RESEARCH NOTE: Bluetongue virus as a cause of hydranencephaly in cattle Barnard, B.J.H.; Pienaar, J.G. 155

Volume 43: Number 4
A study on the pathogenesis of bluetongue : replication of the virus in the organs of infected sheep Pini, A. 159

The antibody response of cattle to Clostridium botulinum types C and D toxoids Jansen, B.C.; Knoetze, P.C.; Visser, F. 165

Relation between macrophage migration inhibition and immunity to Brucella abortus in guinea-pigs Cameron, C.M.; Van Rensburg, J.J.; Engelbrecht, M.M. 175

Kinetics of the IgM and IgG immunological response to sheep erythrocytes and bluetongue virus in mice. Oellermann, R.A.; Carter, P.; Marx, M.J. 185

The isolation and preliminary genetic classification of temperature- sensitive mutants of bluetongue virus Shipham, SO; De la Rey, M 189

A gel electrophoretic study of the protein and nucleic acid components of African horsesickness virus Bremer, C.W. 193

RESEARCH NOTE: Experimental intraspinal trypanosoma equiperdum infection in a horse Barrowman, P.R. 201

Authors Index

203

Subject Index

205

Recent Submissions

  • 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. (Pretoria : Government Printer, 1976)
  • Anonymous; 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. (Pretoria : The Government Printer, 1976)
  • Potgieter, F.T.; Els, H.J.; Van Vuuren, A.S.; 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. (Pretoria : The Government Printer, 1976)
    Electron microscopic studies on merozoites of Babesia bovis in epithelial cells of the gut of Boophilus microplus revealed that the pellicle apparently consists of 3 membranes, and an osmiophilic layer intimately associated ...
  • Pienaar, J. G.; Van der Westhuizen, G.C.A.; Anderson, L.A.P.; Naude, T.W.; Kellerman, T. Stephanus; 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. (Published by The Government Printer, Pretoria, 1976)
    During February 1975, a tremorgenic neurotoxicosis decimated a herd of cattle in the northern Transvaal. This hitherto unidentified disease was characterized by hypersensitivity, incoordination, a peculiar stiff-legged ...
  • Londt, J.G.H.; 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. (Published by The Government Printer, Pretoria, 1976)
    Thirty individual Boophilus decoloratus (Koch, 1844) males were studied daily, some during the whole observation period of 37 days. Newly moulted males spent a mean of 3, 8 days (range 3- 6) on the host before mating. ...
  • Coetzee, S.; Els, H.J.; Verwoerd, Daniel Wynand; 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. (Published by The Government Printer, Pretoria, 1976)
    An epithelial cell line, designated JS-15. 4, has been established in culture from jaagsiekte lesions and subcultured in vitro for almost 2 years. It exhibits morphological and other features of transformed cells and has ...
  • Oellermann, R.A.; Carter, P.; Marx, M.J.; 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. (Published by The Government Printer, Pretoria, 1976)
    The IgM and IgG response of mice to sheep erythrocytes (SRBC) and bluetongue virus (BTV) was determined by means of haemolytic plaque assays. Maximum primary IgM response to SRBC occurred after 4 days but declined rapidly ...
  • Cameron, Colin McKenzie; Van Rensburg, J.J.; Engelbrecht, Maria M.; 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. (Published by The Government Printer, Pretoria, 1976)
    A soluble protein antigen was prepared from Brucella melitensis Rev I with which macrophage migration inhibition (MMI) assays were successfully done using guinea-pig peritoneal exudate cells. By comparing the MMI, agglutinin ...
  • Schutte, A.P.; Kurz, J.; Barnard, B.J.H.; Roux, D.J.; 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. (Published by The Government Printer, Pretoria, 1976)
    In the course of a study initiated to elucidate the role of known abortifacient agents in ruminants in Southern Afnca, Coxiella burnetii was identified in smears prepared from bovine and ovine placental tissues obtained ...
  • Jansen, B.C.; Knoetze, P.C.; Visser, F.; 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. (Published by The Government Printer, Pretoria, 1976)
    The resistance of cattle with varying serum-antitoxin titres was determined by per os challenge. The results proved that a solid immunity can be produced against C. botulinum toxins C₁ and D. The immune response of cattle ...
  • Pini, A.; 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. (Published by The Government Printer, Pretoria, 1976)
    The pathogenesis of bluetongue infection was studied by the titration of the virus in tissue samples taken from sheep inoculated subcutaneously in the auricula of the ear with 76 TC ID₅₀ the plaque-purified type 10 bluetongue ...
  • Els, H.J.; Potgieter, F.T.; 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. (Published by The Government Printer, Pretoria, 1976)
    The development of small pyriform merozoites of B. bovis in the granule-secreting cells of the salivary glands of B. microplus larvae, studied with a light microscope, showed a close resemblance to that of B. argentina ...
  • Barnard, B.J.H.; Pienaar, J.G.; 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. (Published by The Government Printer, Pretoria, 1976)
    Hydranencephaly was produced in a foetus and a calf by intra-uterine infection with an attenuated Type 10 bluetongue virus. Laparotomy was performed on the respective dams and the foetust:s, respectively 126 days and 138 ...
  • Pienaar, J.G.; Kellerman, T.S.; Basson, P.A.; Jenkins, W.L.; Vahrmeijer, J.; 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. (Published by The Government Printer, Pretoria, 1976)
    A neurological disease of cattle (maldronksiekte), occurring in a localized area of the Northern Transvaal, was experimentally reproduced by feeding Solanum kwebense plants to cattle. The disease is characterized by temporary ...
  • Marasas, Walter F.O. (Walter Friedrich Otto); Naude, T.W.; Pienaar, J.G.; Kellerman, T. Stephanus; 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. (Published by The Government Printer, Pretoria, 1976)
    When 2 horses were dosed with cultures of a Fusarium moniliforme isolate that had previously caused only hepatosis, 1 developed brain oedema and hepatosis, and the other only leukoencephalomalacia. A 3rd horse developed ...
  • Barrowman, P.R.; 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. (Published by The Government Printer, Pretoria, 1976)
    This paper is a record of observations on the transmission and clinical signs of dourine in naturally infected cases of known duration, and of temporal and quantitative aspects of the immune response in blood and cerebro-spina ...
  • Walker, Jane B.; Clifford, C.M.; Keirans, J.E.; 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. (Published by The Government Printer, Pretoria, 1976)
    The male, nymph and larva of Ixodes (A.) bakeri are described and illustrated with line drawings and scanning electron microscope photographs. This species was originally described from 1 female from Otomys sp., Nyika ...
  • Van Wyk, J.A. (Jan Aucamp); Van Rensburg, L.J.; Heitmann, L.P.; 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. (Published by The Government Printer, Pretoria, 1976)
    Twenty-eight Dorper wethers, allocated according to age into 4 groups of 7 animals each, and 1 group of 7 Merino wethers, were compared for susceptibility to Schistosoma mattheei infestation. The group mean ages of the ...
  • Cameron, Colin McKenzie; Botha, Wilna F.; Smit, B.H.J.; 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. (Published by The Government Printer, Pretoria, 1976)
    A procedure is described for producing a high quality C. pyogenes vaccine. A satisfactory antibody response was obtained by administering 3 subcutaneous injections of vaccine at 10-day intervals, using doses of 2,0 ml ...
  • Barrowman, P.R.; 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. (Published by The Government Printer, Pretoria, 1976)
    To establish the ability of Trypanosoma equiperdum to cross the blood-brain-barrier in the horse, a susceptible stallion was infected via the cerebrospinal fluid of the subarachnoid space by lumbosacral puncture. Cerebrospinal ...

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