Truter, G.J.; Louw, J.G.; De Kock, G.v.d.W.
(Published by The Government Printer, Pretoria, 1950)
Mature Merino sheep were used as experimental subjects in a study of the
digestibility of a ration of equal parts by weight of lucerne hay and crushed
maize at three levels of nutrition, viz. maintenance, 1 ½ x maintenance ...