Spickett, Arthur M.; De Klerk, Daniel G.; Enslin, C.B.; Scholtz, M.M.; Verwoerd, Daniel Wynand
(Published by the Government Printer, Pretoria., 1989)
Counts of engorged female ticks on naturally infested cattle over a 2 year period, showed that indigenous Nguni cattle harboured significantly fewer Amblyomma hebraeum, Boophilus decoloratus and Hyalomma spp. during periods ...