Browsing 1933 Onderstepoort Journal of Veterinary Science and Animal Industry, Volume 1, 1933 by Issue Date

Browsing 1933 Onderstepoort Journal of Veterinary Science and Animal Industry, Volume 1, 1933 by Issue Date

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  • Steyn, D.G.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1933)
    It is possible to cause the development of tolerance in animals, to certain poisonous plants, by drenching them with small and increasing quantities, whilst others do not produce this phenomenon and may even cause ...
  • Monnig, H.O.; Marais, I.P.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1933)
    The method described by Roger, Jouveaux and Plateau of administering anthelminthics in bran to horses, was found to be quite ineffective against strongyles and ascarids while the administration of Carbon bisulphide by ...
  • Steyn, D.G.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1933)
    A.- Poisonous weeds, which are liable to find their way into wheat and cause poisoning in human beings are discussed. B.- Circumstances favouring bread poisoning, the effect of the process of preparing and baking bread ...
  • Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Pretoria : Union of South Africa, Dept. of Agriculture, 1933)
  • Groenewald, J.W.; Curson, H.H.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1933)
  • Monnig, H.O.; Quin, J.I.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1933)
    The possibility of dosing into the abomasum by administering various materials, especially inert powders, after stimulating the oesophageal groove to close, was investigated and the results obtained with 264 sheep are ...
  • Neitz, W.O.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1933)
    T. vivax was found in three game animals, viz., two bushbuck and one kudu. Small piroplasms were demonstrated in the zebra, bushbuck, duiker, kudu, waterbuck and warthog. The parasites in the last animal are mentioned for ...
  • Du Toit, P.J.; Malan, A.I.; Groenewald, J.W.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1933)
    Two groups of calves were used. In one the CaO: P₂O₅ ratio of the diet as a whole was kept constant at 1: 14 (the ratio obtaining in milk) while in the other the ratio was kept at 1: 0.3 by the feeding of additional CaCO₃. ...
  • Monnig, H.O.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1933)
    The larvae which Bontz & Krause in 1930 described in nodules in bovine intestines and believed to be those of Bunostomum have been studied by Monnig who submits conclusive evidence that they belong to the genus Oesophagostomum ...
  • Steyn, D.G.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1933)
    The toxicity of twenty-seven plant specimens was investigated and of these the following were found poisonous:- (a) Psilocaulon absimile N.E. Br. (b) Adromishcus umbraticolus C.A. Sm. (slightly toxic). (c) Equisetum ...
  • Quin, J.I.; Rimington, C.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1933)
    "Geeldikkop" is a disease of South African sheep, associated with photosensitisation and icterus, caused by Tribulus terrestris and certain other plants. It is shown that a lethal factor is present in the fresh juice and ...
  • Louw, J.G.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1933)
    (1) A revision of the method by Malan and Van der Lingen for the colorimetric determination of sodium in vegetation is described in detail. (2) Evidence is presented to show that:- (a) .04-0.1 mgm. Na can be determined ...
  • Monnig, H.O.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1933)
    The problem of chemotherapy in oesophagostomiasis cannot be solved satisfactorily until a method of dosing sheep into the abomasum has been found. With ordinary dosing useful drugs may be swallowed into the rumen and will ...
  • Rimington, C.; Steyn, D.G.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1933)
    In the course of his investigations into mortality among Angora goats in the Willowmore district of the Cape Province, Steyn strongly suspected a plant, Psilocaulon sp., of being the cause. The plant from the farm was toxic ...
  • Ortlepp, R.J.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1933)
    A redescription of the little known oxyurid Ozolatmus megatyphlon is given by Ortlepp who considers it desirable to form a new subfamily Ozolaiminae for its reception owing to its two large lateral lips and the peculiar ...
  • Steyn, D.G.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1933)
    In New Zealand sodium chlorate is recommended as an efficient destroyer of ragwort, while reports from the United States of America state it to be effective as a general weed-killer. The fact that sodium chlorate is of ...
  • Steyn, D.G.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1933)
    This paper principally concerns poisonous symbiotic and parasitic fungi attacking foodstuffs, and includes those containing the poison within themselves, for example, ergot, and those producing harmful substances in the ...
  • Steyn, D.G.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Pretoria : Union of South Africa, Dept. of Agriculture, 1933)
    Lathyrus sativus grown at Onderstepoort and fed without any additional ration in the fresh state and in the preflowering and flowering stages proved to be poisonous to horses. Cattle, sheep and rabbits, although having ...
  • Coles, J.D.W.A.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1933)
    Three outbreaks of Aeqyptianellosis have been described, in the first of which there can be no reasonable doubt that the disease caused very heavy mortality in very young chicks. In the other outbreaks there is evidence ...
  • Quinlan, J.; Mare, G.S.; Roux, L.L.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1933)