Browsing 1997 Onderstepoort Journal of Veterinary Research, Volume 64, 1997 by Issue Date

Browsing 1997 Onderstepoort Journal of Veterinary Research, Volume 64, 1997 by Issue Date

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  • Odendaal, M.W.; Morris, S.; Du Preez, E.; Aitchison, Henry; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    A multivalent vaccine consisting of inactivated bovine herpes virus-1 (BHV-1 ). also known as infectious bovine rhinotracheitis virus (IBR) , para-influenza type-3 virus (PIȝ) and the leukotoxin of Pasteurella haemolytica ...
  • Williams, R.; Schoeman, M.; Van Wyk, A.; Roos, K.; Josemans, E.J.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    A two-graph Receiver Operating Characteristic analysis was done to determine the optimal cut-off value of an indirect enzyme-linked immunosorbent assay (ELISA) for detection of antibodies to Wesselsbron disease (WSL) virus. ...
  • Habibur Rahman, A.; Manickam, R.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    A new system, the Toxorhynchites-fluorescent antibody (TFA) test in which the larvae of Toxorhynchites splendens mosquitoes were used for the detection of bluetongue virus (BTV) from Culicoides midges, was developed. ...
  • Barnard, B.J.H.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    The entry of Culicoides species into stables was examined by comparing the numbers of midges caught with identical light-traps under different conditions. The comparison was made between collections made inside an empty ...
  • Erasmus, C.P.; Van Aswegen, G.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    The indirect peroxidase method was employed to study the endocrine pancreas of the Cape fur seal. Immunoreactivity to insulin was confined to the cores of the islets and the insulin cells were more abundant than the other ...
  • Henton, Marijke M.; Engelbrecht, M.M.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    This retrospective study was based on 674 cases of colibacillosis in pigs submitted to the diagnostic bacteriology laboratory of the Onderstepoort Veterinary Institute (OVI) over the 20-year period ranging from 1971-1991. ...
  • Njoroge, E.M.; Maribei, J.M.; Mbugua, P.N.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    The pathology of calves that died from experimental water intoxication was investigated. Oedema of the brain and urinary bladder, and renal damage were significant pathological findings in these calves. The findings were ...
  • Matsukawa, K.; Chiti, L.; Yoshima, M.; Sayer, P.D.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    Visceral leishmaniosis was discovered in a male 12- year-old Australian cattle dog in September 1994. Canine leishmaniosis has not previously been reported in Zambia.
  • Fourie, H.J.; Van Amelsfoort, A.F.; Michael, L.M.; Putterill, John Fraser; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    A scanning electron-microscope examination of the scolex of Houttuynia struthionis, a cestode of ostriches, was undertaken in order to study its surface structure. The scolex differs from those of other subfamilies in ...
  • Alexander, S.J.; McLaughlin, J.D.; Verwoerd, Daniel Wynand (Pretoria : Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    A literature survey revealed that 72 helminth species, including 14 known only to the generic level, had been reported from the digestive or respiratory tracts of 28 species of Anatidae in Africa. Most of the digeneans ...
  • Van Vuuren, Moritz; Laurenson, K.; Van Heerden, J.; Stander, P.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    Disease is a potential threat to many endangered populations and may originate from sympatric domestic species. This paper describes a cross-sectional serological survey of canine pathogens carried out in domestic (n = ...
  • Pretorius, A.; Oelofsen, M.J.; Smith, M.S.; Van der Ryst, E.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    Infectious diseases of wild animals are of increasing importance, both from an economic viewpoint and because several of these diseases are pathogenic to man. However, serosurveys to determine the circulation of infectious ...
  • Anonymous; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
  • Combrink, M.P.; De Waal, D.T.; Troskie, P.C.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    Three milliliters of blood from the present commercially produced heartwater infective blood vaccine (Ball3 stock) was experimentally tested in sheep and cattle for infectivity and efficacy. Results obtained for this ...
  • Mohan, K.; Muvavarirwa, P.; Pawandiwa, A.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    Among the Actinobacillus spp. only A. lignieresii represents a homogenous and well studied taxon. However, haemolytic and non-haemolytic strains of A. equuli and A. suis are also isolated from a wide range of diseases ...
  • Alexander, S.J.; McLaughlin, J.D.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    Examination of the helminth communities in 25 yellow-billed ducks (Anas undulata), 21 red-billed ducks (Anas erythrorhyncha), ten Cape teal (Anas capensis) and seven Cape shovellers (Anas smithii) that had overwintered ...
  • Dreyer, K.; Fourie, L.J.; Kok, D.J.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    The possible use of chickens as predators of livestock ticks was studied. Chickens were allowed to scavenge for 3 h among tick-infested cattle in a typical township backyard during the milking period. Boophilus decoloratus, ...
  • Anonymous; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
  • Anonymous; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
  • Meiswinkel, R.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    In December 1993, a light-trap survey was made of the Culicoides found at eight horse stables and dairies in the sandy dune field west of Port Elizabeth, South Africa. While it was notable that Culicoides numbers were low ...