Browsing 1977 Onderstepoort Journal of Veterinary Research, Volume 44, 1977 by Issue Date

Browsing 1977 Onderstepoort Journal of Veterinary Research, Volume 44, 1977 by Issue Date

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  • Potgieter, F.T.; Els, H.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, 1977)
    The electron microscope was used to study the structure of merozoites, merozoites in the process of transformation to trophozoites, trophozoites, and the method of multiplication of B. bigemina. The merozoites were piriform ...
  • Dale-Kuys, June C.; 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, 1977)
    Fascioloides magna from a Brahman heifer recently imported from the USA is recorded for the first time in South Africa. The pathological findings are briefly described. The possibility of this parasite becoming established ...
  • Malherbe, W.D.; Kellerman, T.S.; Kriek, N.P.J.; Haupt, 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, 1977)
    A brief survey of the literature on gamma-glutamyl transpeptidase (ƴ-GT) activity is included in this study. The levels of activity in the serum of normal Merino sheep (13, 6- 32, 4 mI.U./ml) were ascertained as a preliminary ...
  • Van Wyk, J.A. (Jan Aucamp); Gerber, H.M.; Van Aardt, W.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. (Pretoria : The Government Printer, 1977)
    Exsheathed infective larvae (L 3) of 19 species of nematodes were tested for infectivity in either sheep or cattle after they had been frozen in 0, 9% NaCI solution, stored for a relatively short time in the gas phase of ...
  • Evans, Aileen A.; Solomon, K.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. (The Government Printer, Pretoria, 1977)
    The arrangement of the brain and peripheral nerves in Ornithodoros savignyi (Audouin) is similar to that of other argasid and ixodid ticks. Histological studies, using a specialized staining technique (aldehyde fuchsin), ...
  • Jansen, B.C.; Knoetze, 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. (The Government Printer, Pretoria, 1977)
    Experimental evidence is produced to justify abandoning the practice of subdividing Clostridium botulinum Type C into type Cα and type Cβ.
  • Coetzer, Jacobus A.W.; 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, 1977)
    A widespread epizootic of Rift Valley fever occurred in the Republic of South Africa and South West Africa during 1974-75. This is a report on the gross pathology of 34 new-born lambs and the histopathology of 93 new-born ...
  • Du Plessis, J.L.; Verwoerd, Daniel Wynand; Meyer-Scharrer, Elizabeth; 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, 1977)
    Epithelial cells of the 15 .4 line, which were originally established from the adenomatous lung of a jaagsiekte case and which had been cultured in vitro for 22 generations, were injected subcutaneously into athymic nude ...
  • Barnard, B.J.H.; Geyer, H.J.; De Koker, W.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, 1977)
    The development of neurological symptoms in a cat following vaccination with the high egg passage Flury rabies vaccine and the subsequent isolation of a virus with characteristics consistent with the criteria for distinguishing ...
  • Prozesky, Leon; Pienaar, J.G.; 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, 1977)
    Amaurosis occurred in sheep on various farms in the Republic of South Africa after treatment with rafoxanide. Histopathological examination revealed a status spongiosus of varying severity in the central nervous system ...
  • De Villiers, Saramarie; Van der Walt, J.G.; Procos, 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, 1977)
    A sensitive and reproducible method permitting the estimation of 0,030-3,000 mM of free fatty acids (FFA) in plasma with a standard error of 0,006 5 was developed. The method is based on the extraction of phosphate-buffered ...
  • Viljoen, J.H.; 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. (The Government Printer, Pretoria, 1977)
    The filaricidal effects of trichlorphon, arsenic trioxide, sodium antimony biscathecol disulphonate and nitroxynil against Parafilaria bovicola were the subject of this investigation . Levamisole hydrochloride was retested ...
  • Londt, J.G.H.; Van der Bijl, Eleanore 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. (Pretoria : The Government Printer, 1977)
    The life cycle of Rhipicephalus evertsi evertsi Neumann, 1897, is discussed under the following headings: larval feeding; larval drop; nymphal feeding; nymphal drop; nymphal moulting; adult feeding; adult drop; preoviposition ...
  • 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, 1977)
    The seasonal incidence of helminth infestation in sheep on newly established irrigated pastures was determined by the slaughter of pairs of tracer lambs exposed for periods of approximately 33 days from October 1968 - July ...
  • Van Wyk, J.A. (Jan Aucamp); 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, 1977)
    When freshly-collected, exsheathed infective larvae of Oesophagostomum columbianum and Chabertia ovina were frozen in liquid nitrogen and subsequently thawed, conspicuous vesicles appeared in the intestinal cells of the ...
  • 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, 1977)
    Separate groups of 3 oestrid-free lambs were exposed to infestation on irrigated pasture for periods of approximately 33 days each over 30 months, and on dry-land pasture for approximately 42 days over a period of 18 months. ...
  • 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, 1977)
  • Anonymous; 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, 1977)
  • Theodoridis, A.; Prozesky, Leon; 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, 1977)
    Electron microscope examination of the faeces of scouring pigs revealed virus particles which were morphologically indistinguishable from rotavirus (reo-like), a virus associated with diarrhoea in neonatal pigs (Leece, ...
  • 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. (The Government Printer, Pretoria, 1977)
    A revision of the genus lmpalaia Monnig, 1924 forms the subject of this report. Besides the type species, lmpalaia tuberculata Monnig, 1924, there are 2 valid species, viz., I. nudicollis Monnig, 1931and I. okapiae (Van ...