Citation: Gj. Hallowell et al., GENETIC AND ENVIRONMENTAL TRENDS FOR FIRST LACTATION MILK TRAITS IN THE SOUTH-AFRICAN AYRSHIRE BREED, South African journal of animal science, 28(1), 1998, pp. 38-45
Citation: Gj. Hallowell et al., VARIANCE COMPONENT AND HERITABILITY ESTIMATES FOR FIRST AND 2ND LACTATION MILK TRAITS IN THE SOUTH-AFRICAN AYRSHIRE BREED, South African journal of animal science, 28(1), 1998, pp. 46-49