共 21 条
[1]
BEAMES R M, 1969, Australian Journal of Experimental Agriculture and Animal Husbandry, V9, P127, DOI 10.1071/EA9690127
[3]
CUNNINGHAM H. M., 1962, CANADIAN JOUR ANIMAL SCI, V42, P176
[7]
GREGORY KE, 1952, MISSOURI AGR EXP STA, V493
[9]
JORGENSEN H, 1981, Journal of Animal Science, V53, P249