1979 Onderstepoort Journal of Veterinary Research, Volume 46, 1979

1979 Onderstepoort Journal of Veterinary Research, Volume 46, 1979

 

Untitled Document

CONTENTS
Volume 46: Number 1
Composition and evaluation of the efficacy of a Staphylococcus aureus vaccine Cameron, Colin McKenzie; Fuls, W.J.P.; Botha, Wilna F. 1

Lymph node pathology in Trypanosoma brucei-infected sheep Barrowman, P.R.; Roos, J.A. 9

Aerospora of an Eragrostis curvula pasture in South Africa Van der Merwe, W.J.J.; Eicker, A.; Marasas, Walter F.O. (Walter Friedrich Otto); Kellerman, T. Stephanus 19

Parasites of domestic and wild animals in South Africa. XII. Artificial transmission of nematodes from blesbok and impala to sheep, goats and cattle Horak, Ivan Gerard; 27

Parasites of domestic and wild animals in South Africa. XIII. The seasonal incidence of adult ticks (Acarina : Ixodidae) on cattle in the Northern Transvaal Horak, Ivan Gerard; De Villers, I. L.; Londt, J.G.H. 31

An electron microscopic study of intra-erythrocytic stages of Babesia bovis in the brain capillaries of infected splenectomized calves Potgieter, F.T.; Els, H.J. 41

The experimental transmission of Parafilaria bovicola to cattle in South Africa using Musca species (subgenus Eumusca) as intermediate hosts Nevill, E.M. 51

RESEARCH COMMUNICATIONS: A bioassay method for the pheromone(s) of the bont tick Amblyomma hebraeum Koch Brill, J.G.; Solomon, K.R. 59

RESEARCH COMMUNICATIONS: The serological relationship of herpesvirus ovis to other herpesviruses and its possible involvement in the aetiology of jaagsiekte Verwoerd, Daniel Wynand; Meyer-Scharrer, Elizabeth; De Villiers, Ethel-Michele; Broekman, J. 61

Volume 46: Number 2
The isolation and cultivation of calf rotavirus in the Republic of South Africa Theodoridis, A.; Els, H.J.; Prozesky, Leon 65

Trout mortalities as a result of Streptococcus infection Boomker, Jacob; Imes, G.D.; Cameron, Colin McKenzie 71

Gastro-intestinal helminths of domestic dogs in the Republic of South Africa Verster, Anna J.M. 79

Cooperia Connochaeti Sp. nov. (Nematoda, Trichostrongylidae) from the blue wildebeest, Connochaetes taurinus (Burchell, 1823) Boomker, Jacob Diederik Frederik; Alves, Regina; Horak, Ivan Gerard 83

Genetic and physiological characterization of temperature-sensitive mutants of bluetongue virus Shipham, S.O.; De la Rey, Marlene 87

The nucleic acid and proteins of epizootic haemorrhagic disease virus Huismans, H. (Henk), 1942-; Bremer, C.W.; Barber, T.L. 95

Micromorphology of the skin (epidermis, dermis, subcutis) of the dog Schwarz, R.; Le Roux, J.M.W.; Schaller, R.; Neurand, K. 105

Factors affecting the bluetongue virus neutralizing antibody response and the reaction between virus and antibody Van der Walt, N.T. 111

The effect of temperature on the frons width in males of Stomoxys calcitrans Linnaeus (Diptera : muscidae) Sutherland, B. 117

Volume 46: Number 3
Isolation and characterization of antibodies to Clostridium perfringens epsilon toxin from hyperimmune horse serum Worthington, R.W.; Mulders, M.S.G. 121

Subcutaneous and pulmonary emphysema as complications of bovine ephemeral fever Theodoridis, A.; Coetzer, Jacobus A.W. 125

Actinobacillus seminis infection in sheep in the Republic of South Africa. I. Identification of the problem Van Tonder, E.M. 129

Actinobacillus seminis infection in sheep in the Republic of South Africa. II. Incidence and geographical distribution Van Tonder, E.M. 135

Actinobacillus seminis infection in sheep in the Republic of South Africa. III. Growth and cultural characteristics of A. seminis Van Tonder, E.M. 141

African Swine Fever : Pathogenicity and immunogenicity of two non-haemadsorbing viruses Thomson, G.R. (Gavin) 149

The role played by wildlife in the epizootiology of rabies in South Africa and South-West Africa Barnard, B.J.H. 155

Wesselsbron disease : a cause of congenital porencephaly and cerebellar hypoplasia in calves Coetzer, Jacobus A.W.; Theodoridis, A.; Herr, S.; Kritzinger, L. 165

The use of frequency diagrams in the survey of resistance to pesticides in ticks in Southern Africa Solomon, K.R.; Baker, Maureen K.; Heyne, Heloise; Van Kleef, Jacqueline 171

Volume 46: Number 4
Descriptions of the adults and pupa of Culicoides hildae N. SP. from the Republic of South Africa (Diptera : Ceratopogonidae) Cornet, M.; Nevill, E.M. 179

Production and application of a live Salmonella gallinarum vaccine Cameron, Colin McKenzie; Buys, S.B. 185

Viruses isolated from Culicoides midges in South Africa during unsuccessful attempts to isolate bovine ephemeral fever virus Theodoridis, A.; Nevill, E.M.; Els, H.J.; Boshoff, S.T. 191

Studies on Haemonchus contortus. II. The effect of abomasal nematodes on subsequent challenge with H. contortus Reinecke, R.K.; Snyman, H. Maria; Seaman, Helga 199

Further characterization of the t-s mutant F207 of bluetongue virus Shipham, S.O. 207

The immune response of horses to tetanus toxoid Jansen, B.C.; Knoetze, P.C. 211

The haemocytology and histology of the haemopoietic organs of South African fresh water fish. I. The haemopoietic organs of Clarias gariepinus and Sarotherodon mossambicus Boomker, Jacob Diederik Frederik 217

Some effects of temperature on the adults, eggs and pupae of Stomoxys calcitrans Linnaeus (Diptera : muscidae) Sutherland, B. 223

RESEARCH COMMUNICATIONS: Comparative efficacy of six Brucella vaccines in guinea-pigs Cameron, Colin McKenzie 229

RESEARCH COMMUNICATIONS: Scanning electron microscopy aided observations on and therapy of teat canal infections Du Preez, J.H. 231

Author Index

235

Subject index

239

Recent Submissions

  • Boomker, Jacob Diederik Frederik; Alves, Regina; Horak, Ivan Gerard; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M.C. (Published by The Government Printer, Pretoria, 1979)
    A new species of nematode, Cooperia connochaeti, was collected from cross-bred blue and black wildebeest at Krugersdorp (Transvaal), blue wildebeest Connochaetes taurinus (Burchell, 1823) from the Kruger National Park ...
  • Verster, Anna J.M.; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M.C. (Published by The Government Printer, Pretoria, 1979)
    Of the gastro-intestinal helminths found in 1 063 dogs from different parts of the country, Dipylidium caninum, the most prevalent cestode, occurred in 19,7% of the animals. Echinococcus granulosus was present in 10 dogs, ...
  • Boomker, Jacob Diederik Frederik; Imes, G.D.; Cameron, Colin McKenzie; Naude, T.W.; Schoonbee, H.J.; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M.C. (Published by The Government Printer, Pretoria, 1979)
    Excessive mortalities were experienced in the bigger rainbow trout (Salmo gairdneri) at an efficiently managed trout farm. All tests for known toxins in the feed and water proved to be negative. A faecal Streptococcus which ...
  • Theodoridis, A.; Els, H.J.; Prozesky, Leon.; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M.C. (Published by The Government Printer, Pretoria, 1979)
    Calf rotavirus was cultivated and propagated in tissue culture from faeces of 3-week-old calves suffering from severe diarrhoea. Criteria for viral involvement were: production of cytopathic effects in primary foetal calf ...
  • Anonymous; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M.C. (Published by The Government Printer, Pretoria, 1979)
  • Verwoerd, Daniel Wynand; Meyer-Scharrer, Elizabeth; De Villiers, Ethel-Michele; Broekman, J.; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M.C. (Published by The Government Printer, Pretoria, 1979)
    Cross-neutralization studies showed that 3 different isolates of herpesvirus ovis from cell cultures derived from the lungs of sheep suffering from jaagsiekte were not only identical but were also related to a similar ...
  • Anonymous; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M.C. (Pretoria : Government Printer, 1979)
  • Du Preez, J.H.; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M.C. (Published by The Government Printer, Pretoria, 1979)
    An examination of teat canal swabs established that 51 teat canals out of 68 quarters of machine milked cows were colonized by Staphylococcus aureus. Only 31 of these quarters yielded milk from which S. aureus could be ...
  • Cameron, Colin McKenzie; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M.C. (Published by The Government Printer, Pretoria, 1979)
    Immunity assays in guinea-pigs based on spleen mass: body mass ratios showed that live vaccines were markedly more effective than inactivated oil adjuvant vaccines in providing protection against challenge with 5 000 ...
  • Sutherland, B.; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M.C. (Published by The Government Printer, Pretoria, 1979)
    Adults could only live and reproduce to their full capacity at temperatures between 20°C and 30°C. At 15°C the females laid no eggs, the adult life span was relatively short and the reproductive capacity of females kept ...
  • Boomker, Jacob Diederik Frederik; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M.C. (Published by The Government Printer, Pretoria, 1979)
    The haemopoietic organs of the catfish, Clarias gariepinus, and the Mozambique bream, Sarotherodon mossambicus, were studied. In both species the primary haemopoietic organs are the pronephros, the mesonephros and the ...
  • Brill, J.H.; Solomon, K.R.; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M.C. (Published by The Government Printer, Pretoria, 1979)
    A bioassay was developed which enabled the detection of the pheromones of the boot tick (Amblyomma hebraeum Koch) within 2 hours with a reproducibility of 82 ± 13%. Dried, solvent extracted ticks were glued onto the shaved ...
  • Coetzer, Jacobus A.W.; Theodoridis, A.; Herr, S.; Kritzinger, L.J.; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M.C. (Published by The Government Printer, Pretoria, 1979)
    Fifteen pregnant cows were inoculated subcutaneously and intravenously between 101-147 days of gestation with the wild-type Wesselsbron disease virus. In addition, 2 foetuses were injected directly through the uterine wall ...
  • Jansen, B.C.; Knoetze, P.C.; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M.C. (Published by The Government Printer, Pretoria, 1979)
    An intramuscular injection of 8-16 Lf tetanus toxoid in water-in-oil emulsion protected adult horses against tetanus for at least 128 weeks. A booster dose of 8 Lf toxoid in aqueous solution protected them for a further ...
  • Barnard, B.J.H.; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M.C. (Published by The Government Printer, Pretoria, 1979)
    The role played by wildlife in the perpetuation of rabies is discussed in the light of information obtained during a routine examination of specimens at the Veterinary Research Institute, Onderstepoort, during the 10-year ...
  • Nevill, E.M.; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M.C. (Published by The Government Printer, Pretoria, 1979)
    In controlled experiments in an insect-free stable, cattle became infected with Parafilaria bovicola when Musca lusoria, infected with the larvae of this worm, were allowed to feed on a fresh skin incision, and when infective ...
  • Shipham, S.O.; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M.C. (Published by The Government Printer, Pretoria, 1979)
    Temperature-shift experiments verified that the t-s lesion of BTV mutant F207 is expressed late in the replication-cycle, that is, at a stage when all virus components have already been synthesized. All viral polypeptides ...
  • Thomson, G.R. (Gavin); Gainaru, M.D.; Van Dellen, A.F.; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M.C. (Published by The Government Printer, Pretoria, 1979)
    The virulence of 2 non-haemadsorbing African swine fever virus isolates were compared with 2 haemadsorbing viruses. While 3 of these isolates usually produced acute death in pigs, 1 non-haemadsorbing virus caused either a ...
  • Potgieter, F.T.; Els, H.J.; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M. C. (Published by The Government Printer, Pretoria, 1979)
    Splenectomized vaccine donor calves undergoing primary reactions to Babesia bovis infections may develop cerebral babesiosis which leads to death if not treated in time. A brain biopsy was performed on an artificially-infected ...
  • Van Tonder, E.M.; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M.C. (Published by The Government Printer, Pretoria, 1979)
    Bacteriological tests were done on a large number of different strains of Actinobacillus seminis and also, repeatedly, on the same culture or on different cultures taken periodically from the same donor animal. These tests ...

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