共 22 条
[1]
ANDERSON EW, 1971, THESIS COLO STATE U
[3]
BEDFORD JM, 1970, J REPROD FERTIL, V22, P193, DOI 10.1530/jrf.0.0220193
[5]
CRANWELL JE, 1970, THESIS COLO STATE U
[6]
EBERTUS R, 1963, ANIM BREED ABSTR, V31, P313
[8]
HUGHES JP, 1970, CORNELL VET, V60, P463
[9]
KAMENEV N, 1955, ANIMAL BREED, V23, P255
[10]
KING GJ, 1966, AI DIGEST, V14, P6