Browsing 1978 Onderstepoort Journal of Veterinary Research, Volume 45, 1978 by Title

Browsing 1978 Onderstepoort Journal of Veterinary Research, Volume 45, 1978 by Title

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  • Genetic incompatibility between Boophilus decoloratus (Koch, 1844) and Boophilus microplus (Canestrini, 1888) and hybrid sterility of Australian and South African Boophilus microplus (Acarina : Ixodidae) 
    Spickett, A.M.; Malan, J.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. (Pretoria : The Government Printer, 1978)
    Virgin females of both Boophilus decoloratus and Boophilus microplus, when mated with males of the other species, subsequently produced sterile eggs. Counts of spermiophore capsules in female seminal receptacles showed ...
  • Immunogenicity and pathogenicity of three South African strains of Babesia bovis in Bos indicus cattle 
    De Vos, A.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. (Pretoria : The Government Printer, 1978)
    A strain of Babesia bovis, which has been routinely used in the locally produced babesiosis vaccine for two decades and maintained by needle passage, was of low virulence and therefore safe, but it induced poor protection ...
  • In memoriam 
    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, 1978)
  • An investigation into possible methods of assessing the intake of calcium and phosphorus by grazing sheep 
    Belonje, P.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. (Pretoria : The Government Printer, 1978)
    A study was made, over a period of 29 weeks, of the interrelationship between calcium (Ca) and phosphorus (P) levels while monitoring those of magnesium (Mg) in ovine bone, soft tissues, faeces, urine and rumen fluid as ...
  • Light and electron microscopical studies on canine encephalitozoonosis : cerebral vasculitis 
    Van Dellen, A.F.; Botha, W.S.; Warnes, W.E.J.; Boomker, Jacob Diederik Frederik; 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, 1978)
    Brain lesions in 2 natural cases of canine encephalitozoonosis were studied by light and electron microscopy. Granulomatous reactions, associated with small vessels and capillaries, partly originated from extensive perithelial ...
  • Method of production of and antibody response to an oil adjuvant Bacteroides nodosus bacterin 
    Fuls, W.J.P.; Cameron, Colin McKenzie; 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, 1978)
    A procedure is described for the production of a highly concentrated Bacteroides nodosus bacterin. An oil adjuvant bacterin which elicited the best antibody response in rabbits produced a response in sheep which lasted for ...
  • The micromorphology of the apocrine glands of the intermandibular region of the steenbok (Raphicerus campestris) 
    Cohen, Marlene; Gerneke, W.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. (Pretoria : The Government Printer, 1978)
    The histological structure of the newly-discovered intermandibular glandular region in male and female steenbok is described. This region consists of enlarged sebaceous and apocrine glands which secrete a substance used ...
  • The micromorphology of the glands of the infra-orbital cutaneous sinus of the steenbok (Raphicerus campestris) 
    Gerneke, W.H.; Cohen, Marlene; 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, 1978)
    The infra-orbital cutaneous sinus produces a black secretion which is the combined secretion of melanaceous, branched, alveolar, sebaceous and enlarged, coiled apocrine glands. The micromorphology of these glands is described ...
  • Nutritional values of different blood diets expressed as reproductive potentials in adult Stomoxys calcitrans L. (Diptera : Muscidae) 
    Sutherland, B.; 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)
    Experiments with Stomoxys calcitrans adults showed that different blood diets markedly affect the lifespan and reproductive potential of this species. When fed on blood from herbivores (cattle, sheep, goat, horse and donkey) ...
  • Observations on the effect of different methods of processing on the bacterial contaminants of bovine and ovine tripe 
    Van Der Made, H.N.; Van Staden, J.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. (The Government Printer, Pretoria, 1978)
    A comparison was made of the multiplication of bacteria in specimens of tripe processed in different ways. There was little difference in this respect between commercial tripe as offered for purchase to the consumer and ...
  • Observations on the pathology of canine microsporidiosis 
    McCully, R.M.; Van Dellen, A.F.; Basson, P.A.; Lawrence, 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. (The Government Printer, Pretoria, 1978)
    The available literature on canine microsporidiosis indicates that this disease, primarily of young dogs, is a distinct clinicopathological entity. It has been confused with canine distemper and rabies, and must be ...
  • Parasites of domestic and wild animals in South Africa .XI. Helminths in cattle on natural pastures in the Northern Transvaal 
    Horak, Ivan Gerard; 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. (The Government Printer, Pretoria, 1978)
    After being exposed to infestation for 4 or 6 weeks, pairs of tracer calves were slaughtered to determine the seasonal incidence of helminth infestation in cattle on natural pasture. \ Haemonchus placei was recovered from ...
  • Parasites of domestic and wild animals in South Africa. IX. Helminths in blesbok 
    Horak, Ivan Gerard; 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)
    Four blesbok culled in the Rietvlei Nature Reserve during May 1972 were each infested with Trichostrongylus axei and /mpalaia nudicollis. Some of these animals also harboured Haemonchus bedfordi, Haemonchus contortus, ...
  • Parasites of domestic and wild animals in South Africa. V. Helminths in sheep on dryland pasture on the Transvaal Highveld 
    Horak, Ivan Gerard; 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)
    The seasonal incidence of helminth infestation on a farm in the Transvaal Highveld was determined by the slaughter of tracer lambs exposed on pasture for periods of approximately 6 weeks. Haemonchus contortus, the most ...
  • Parasites of domestic and wild animals in South Africa. VI. Helminths in calves on irrigated pastures on the Transvaal Highveld 
    Horak, Ivan Gerard; Louw, J.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. (The Government Printer, Pretoria, 1978)
    Sets of tracer calves, which were exposed for 2 months on irrigated pasture and then slaughtered, provided evidence of the extent of seasonal helminth infestation. Haemonchus spp. were the most abundant nematodes, the ...
  • Parasites of domestic and wild animals in South Africa. VII. Helminths in pigs slaughtered at the Pretoria Municipal Abattoir 
    Horak, Ivan Gerard; 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)
    A total of 52 pigs slaughtered at the Pretoria Municipal Abattoir over a period of 1 year was examined for parasitic helminths. Twenty-six of these pigs were marketed by farmers and 26 by speculators. Of the pigs marketed ...
  • Parasites of domestic and wild animals in South Africa. VIII. Helminths in pigs kept under semi-intensive conditions 
    Horak, Ivan Gerard; 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)
    The seasonal incidence of nematode infestations in pigs raised under semi-intensive conditions was determined by the monthly slaughter of 2-4 tracer pigs exposed to infestation in an earthern floored pen for periods of 1 ...
  • Parasites of domestic and wild animals in South Africa. X. Helminths in impala 
    Horak, Ivan Gerard; 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. (The Government Printer, Pretoria, 1978)
    Two to four impala in the Nylsvley Nature Reserve were culled each month from February 1975- February 1976. Two trematode species, 1 cestode species and 13 species of nematodes were recovered from these antelope. Of ...
  • The pathology of an inherited lysosomal storage disorder of calves 
    Coetzer, Jacobus A.W.; Louw, T.A.T.; 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. (The Government Printer, Pretoria, 1978)
    The clinical symptoms, gross and histopathological, as well as the ultrastructural appearance of a condition in cross-bred Aberdeen Angus calves resembling the inherited lysosomal storage disease, α-mannosidosis, are ...
  • Preliminary characterization of viruses isolated from cases of epididymitis and vaginitis in cattle 
    Theodoridis, 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. (The Government Printer, Pretoria, 1978)
    Twelve slow-growing virus isolates propagated in tissue culture from cattle with epididymitis and vaginitis were identified as herpes viruses by virtue of their biological, physicochemical and morphological characteristics. ...