Browsing 1996 Onderstepoort Journal of Veterinary Research, Volume 63, 1996 by Issue Date

Browsing 1996 Onderstepoort Journal of Veterinary Research, Volume 63, 1996 by Issue Date

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  • Makinde, M.O.; Majok, A.A.; Hill, F.W.G.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    The biochemical and haematological profiles of 379 pigs with or without various gross pathological lesions in an abattoir in Zimbabwe were studied to see whether there were any differences between the levels of haematological ...
  • Reichel, R.; Nel, J.R.; Emslie, R.; Bishop, G.C.; Verwoerd, Daniel Wynand (Pretoria : Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    Brucella melitensis biotype 1 was confirmed in indigenous, outbred goats in three northern districts of the KwaZulu-Natal province following the diagnosis of human Malta fever in the same area. Six foci of infection were ...
  • Bezuidenhout, A.J. (Abraham Johannes), 1942-; Seegers, Christine D.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    The vertebral column, sternum and ribs of the African elephant were studied and illustrated. In the cervical series, the vertebrae are characterized by very short (compressed) vertebral bodies and short spinous processes. ...
  • Kriek, N.P.J.; Keet, D.F.; Raath, J.P.; De Vos, Valerius; Huchzermeyer, Hildegard F.A.K.; Bengis, Roy G.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    Bovine tuberculosis was diagnosed for the first time in an African buffalo ( Syncerus caffer) in the Kruger National Park (KNP). The index case was a 2-year-old, emaciated bull which had been found recumbent and obviously ...
  • Mohan, K.; Makaya, P.V.; Muvavarirwa, P.; Matope, Gift; Mahembe, E.; Pawandiwa, A.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    Brucellosis in dairy cattle is endemic in Zimbabwe. The prevalence continues to be monitored intensively. Only milk and serum samples are routinely screened. Attempts to culture Brucella spp. from clinical specimens ...
  • Lawrence, J.A.; Whiteland, A.P.; Kafuwa, P.T.; Njuguna, L.M.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    Fluorescing inclusion appendages were detected consistently in preparations of Anaplasma centrale and Anaplasma marginale when they were used as antigen in indirect immunofluorescence serological tests for the diagnosis ...
  • Du Preez, J.L.; Lotter, A.P.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    The anthelmintic, levamisole, was determined in sheep plasma by means of ion-pair solid-phase extraction (SPE) and reverse-phase liquid chromatography. The SPE columns were conditioned with 2 ml of methanol followed by ...
  • Kagaruki, L.K.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    The efficacy of amitraz on cattle ticks was assessed by susceptibility tests, spraying and dipping trials. Tests on the susceptibility of three tick species, Rhipicephalus appendiculatus, Amblyomma variegatum and ...
  • Grant, C.C. (Catharina Cornelia); Biggs, H.C.; Meissner, H.H.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    Mineral deficiencies that lead to production losses often occur concurrently with climatic and management changes. To diagnose these deficiencies in time to prevent production losses, long-term monitoring of mineral ...
  • Anonymous; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
  • Titoy, G.A.P.; Malan, F.S.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    Sheathed infective third-stage larvae of Ancylostoma caninum and Ancylostoma tubaeforme were successfully cryopreserved in liquid nitrogen. The survival rates, as assessed by motility, were A. caninum 49,2% and A. ...
  • Schneider, D.J.; Miles, Christopher O.; Garthwaite, I.; Van Halderen, A.; Wessels, J.C.; Lategan, H.J.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    Outbreaks of clinical disease caused by the ingestion of ergotized Lolium rigidum (annual ryegrass), which resulted in a substantial loss in production, have been reported. A number of outbreaks of a hyperthermia syndrome ...
  • Binta, M.G.; Mushi, E.Z.; Rurangirwa, F.R.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    Parenteral administration of cyclophosphamide in rabbits made resistant to infestation by the tick Rhipicephalus appendiculatus, resulted in abrogation of the resistance phenomenon. As a result, a high percentage (83%) of ...
  • Titoy, G.A.P.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    A technique for the cryopreservation of sheathed third-stage larvae of Nematodirus spathiger is described. It consists of incubating larvae in 5% (v/v) ethylene glycol for 20 min at room temperature, followed by 1 min ...
  • Yunker, Conrad E.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    Heartwater (cowdriosis) is an important, often fatal , tick-borne disease of domestic and wild ruminants in sub-Saharan Africa and some Indian Ocean and Caribbean islands. The causal agent, Cowdria ruminantium (Cowdry ...
  • Fourie, L.J.; Kok, D.J.; Heyne, Heloise; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    A study was conducted to compare the species of adult ixodid ticks on Friesian and Bonsmara cattle and their seasonal dynamics. Between five and ten animals of each breed were kept on natural False Upper Karoo vegetation, ...
  • Van Aarde, M.N.; Van Rooyen, J.M.; Van Aswegen, G.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    Crude, diluted venoms of Parabuthus transvaalicus and P. granulatus were tested on isolated cardiomyocytes. Ventricular myocytes were subjected to hypercontractility tests and whole-cell voltage clamp. Both venoms had a ...
  • Tjornehoj, K.; Lawrence, J.A.; Whiteland, A.P.; Kafuwa, P.T.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    In an outbreak of Babesia bovis in a large herd of Friesian x Malawi Zebu cattle, which occurred after an interruption of intensive dipping, clinical or fatal babesiosis occurred in 54/299 (18,1 %) animals which had never ...
  • Grant, C.C. (Catharina Cornelia); Biggs, H.C.; Meissner, H.H.; Basson, P.A.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    The average daily gains of heifers and oxen on commercial and experimental farms in Namibia were used to indicate production differences in several areas and at different rates of phosphorus and protein supplementation. ...
  • Groenewald, Hermanus B.; Elias, M.Z.J. (Mario Zefanias Joao); Bezuidenhout, A.J. (Abraham Johannes), 1942-; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
    The branching pattern of the Aa. carotes internae and the macroscopic blood supply to the hypophysis and hypothalamus of the ostrich were studied on ten dissected acrylic vascular-injected heads and ten corrosion ...