Browsing Doctoral Degrees (Zoology) by Advisor "Horak, Ivan Gerard."
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The incidence of helminths in pigs, sheep, cattle, impala and blesbok in the Transvaal. (1980)The seasonal fluctuations in the worm burdens of pigs, sheep, cattle, impala and blesbok exposed to infestation on improved or natural pastures in the Transvaal were determined. The prevalence of infestation in pigs ...