Starke, N.C.; De Kock, G.v.d.W.
(Pretoria : The Government Printer, 1949)
Part I. 1. The sperm picture of rams of different breeds has been studied.
2. Semen was collected by Gunn’s electrical method.
3. The Ronderib Afrikaners were superior to the Merinos in semen
characteristics . This may ...