Van Wyk, Jan Aucamp; Bartsch, R.C.; Van Rensburg, L.J.; Heitmann, L.P.; Goosen, P.J.; De Kock, V.E.; Bigalke, R.D.; Cameron, Colin McKenzie; Verster, Anna J.M.; Walker, Jane B.
(Pretoria : The Government Printer, 1974)
An outbreak of bilharzia (Schistosoma mattheei) infestation involving about 100 oxen on the farm Otthilie near Tolwe in northern Transvaal is described. Infestation of the cattle appears to have occurred per os from a ...