Browsing South African National Veterinary Repository by Author "De Lange, N."

Browsing South African National Veterinary Repository by Author "De Lange, N."

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  • Quinlan, John; Roux, L.L.; Van Aswegen, W.G.; De Lange, N.; Du Toit, P.J. (Pretoria : The Government Printer, 1941)
    (1) Ten female native goats were mated to, or artificially inseminated with semen from a number of highly fertile sheep-rams during four breeding seasons. (2) There was great difficulty in obtaining fertilisation, but ...