共 5 条
[1]
HANSEL W, 1967, Australian Veterinary Journal, V43, P441, DOI 10.1111/j.1751-0813.1967.tb08871.x
[2]
Lamond D. R., 1964, Animal Breeding Abstracts, V32, P269
[3]
QUINLIVAN TD, 1969, J REPROD FERTIL, V19, P73, DOI 10.1530/jrf.0.0190073
[4]
ZIMBELMAN RG, 1970, J AM VET MED ASSOC, V157, P1528
[5]
1968, 18 MILK MARK BOARD P, P114