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The authors described recent observations on external parasites of livestock in S. Africa and made recommendations as to the direction of future research in this field.
Tripanosomiasis is not a major problem as it is confined to an area in Zululand. Three species of tsetse fly are present, Glossina ...

Du Toit, R.; Graf, H.; Theiler, G.
Commun. Afr. Reg. Sci. Conf., 1949, C(k) 6, pp 5 pp.