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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  • The activity of insect juvenile hormone mimics in larval Amblyomma hebraeum Koch (Acarina : Metastriata : Ixodidae) 
    Solomon, K.R.; Evans, Aileen 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. (Pretoria : The Government Printer, 1978)
    A total of 14 insect juvenile hormone mimics was tested for activity in Amblyomma hebraeum by exposing newly engorged larvae to filter paper impregnated with hormone mimics. The most active compounds used in this assay ...
  • Amicarbalide : a therapeutic agent for anaplasmosis 
    Barrowman, P.R.; Coetzer, J.A.W.; Kellerman, T.S.; 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)
    When administered subcutaneously in 2 equal daily doses at a total dosage rate of 20 mg/kg, amicarbalide was found to be an effective agent for controlling acute infections of Anaplasma marginate and A. centrale in intact ...
  • An attempt to treat the larval stage of Taenia multiceps and a résumé of its neural and extraneural distribution in sheep 
    Verster, Anna; Tustin, R.C.; Reinecke, R.K.; 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)
    Sheep were experimentally infested with the larval stage of Taenia multiceps. On Day 36 postinfestation 2 animals were treated intraperitoneally with mebendazole at 40 mg/kg body mass. Mature viable coenuri were present ...
  • Author index 
    De Kock, V.E.; 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 : Government Printer, 1978)
  • Bovine parafilariosis in southern Africa : a preliminary report 
    Carmichael, I.H.; Koster, Susan; 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 total of 32 042 cattle, slaughtered at the Pretoria, Johannesburg and Durban abattoirs, was examined for parafilariosis and as many animals as possible were traced to the farms from which they originated. The disease is ...
  • Effects of ⁶⁰Co irradiation on Amblyomma hebraeum Koch, 1844 (Acarina : Ixodidae) 
    Spickett, A.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. (Pretoria : The Government Printer, 1978)
    The effects of ⁶⁰Co irradiation on Amblyomma hebraeum Koch, 1844 were studied by mating normal females to males irradiated to attain dosages of 0, 2, 4, 6 and 8 kilorad. The males of all 5 groups were observed mating 7 ...
  • The efficacy of various insecticides against the larvae of Lucilia cuprina (Wied.), the green blowfly of sheep. I. In vitro tests using a resistant and susceptible strain 
    Viljoen, J.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)
    In order to determine the larvicidal action of different insecticides against both susceptible and resistant blowfly strains in the Republic of South Africa, an attempt was made to find a suitable in vitro method for ...
  • 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, ...