Duerden, J.E.; Mare, G.S.; Bosman, V.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J.
(Union of South Africa : Dept. of Agriculture, 1933)
1. A Merino sheep dipping experiment is described at the Bathurst Experiment Station in the coastal region, which for the greater part is a tick-infested area.
2. Ninety Merino hamels were used. Half of the plain-bodied, ...