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Browsing South African National Veterinary Repository by Author "Van der Walt, S.J."
Now showing items 1-14 of 14
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Van der Walt, S.J.; Du Toit, P.J. (Pretoria : Government Printer, 1935)No abstract available.
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Van der Walt, S.J.; Du Toit, P.J. (Pretoria : Government Printer, 1935)No abstract available.
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Van der Walt, S.J.; De Boom, H.P.A.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J. (Union of South Africa : Dept. of Agriculture, 1934)Description of a case in which the left foot possessed an additional first digit, to the third phalanx of which was fused the rudiment of another medial digit. The right foot, in addition to its normal digits and fifth ...
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Van der Walt, S.J.; Steyn, D.G.; Du Toit, P.J. (Published by The Government Printer, Pretoria, 1941)
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Van der Walt, S.J.; Steyn, D.G.; Du Toit, P.J. (Published by The Government Printer, Pretoria, 1941)(1) Poisoning by completely spent carbide is very similar to poisoning by calcium hydroxide. (2) So-called spent carbide may contain active carbide which, when ingested (moistened), will yield acetylene. Furthermore, other ...
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Van der Walt, S.J.; Steyn, D.G.; Du Toit, P.J. (Published by The Government Printer, Pretoria, 1941)
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Van der Walt, S.J.; Steyn, Douw G.; Du Toit, P.J. (Pretoria : Government Printer, 1939)The toxicity of thirty-three plants was investigated. According to the available literature the following ten plants were proved for the first time to be toxic: Lotononis laxa, Cotyledon coruscans, Cotyledon campanulata, ...
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Van der Walt, S.J.; Steyn, D.G.; Du Toit, P.J. (Pretoria : The Government Printer, 1940)The toxicity of 22 plants was investigated. According to the available literature the following five of these plants were proved for the first time to be toxic: Cryptolepis decidua N.E.Br., Cryptostemma calendulaceum R.Br., ...
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Steyn, D.G.; Van der Walt, S.J.; Du Toit, P.J. (Pretoria : The Government Printer, 1941)The toxicity of sixteen plants was investigated. According to the available literature the following three plants were proved for the first time to be toxic: Senecio pterophorus DC; Kalanchoe paniculata Harv., Kalanchoe ...
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Van der Walt, S.J.; Steyn, D.G.; Du Toit, P.J. (Published by The Government Printer, Pretoria, 1941)The toxicity of fourteen plants was investigated. According to the available literature the following plants, viz., Mesembryanthemum angulatum Thunb., Kalanchoe rotundifolia Harv. and Urginea rubella Baker have for the ...
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Van der Walt, S.J.; Steyn, D.G.; Du Toit, P.J. (Pretoria : The Government Printer, 1943)Of the twenty-two plants investigated, six were, for the first time, proved to be toxic, namely Boscia foetida Schinz., Cadaba juncea (Linn.) B. & H., Othonna cluytifolia O.K., Drimia alta R. A. Dyer, Scilla natalensis ...
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Van der Walt, S.J.; Du Toit, P.J. (Pretoria : The Government Printer, 1944)The toxicity of 16 plants was investigated. Of these the following four were, according to the literature available to the author, for the first time proved to be poisonous: Encephalartos horrridus Lehm., Royena ...
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Van der Walt, S.J.; Steyn, D.G.; Du Toit, P.J. (Pretoria : The Government Printer, 1946)Of the 18 plants investigated the following four plants were, according to the literature available to the authors, for the first time proved to be toxic: Tetragonia Schenkii Schinz., Encephalartos Lehmanii (E. & L.) Lehm., ...
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Van der Walt, S.J.; Du Toit, P.J. (Pretoria : The Government Printer, 1944)Of the various methods the ferric thiocyanate method is selected for the determination of hydrocyanic acid both in plants and in animal organs. It is shown that erroneous results may be obtained in certain plants by ...
Now showing items 1-14 of 14