共 24 条
[1]
BARR AJ, 1979, USERS GUIDE SAS79
[2]
BRITT JH, 1978, J DAIRY SCI, V61, P513, DOI 10.3168/jds.S0022-0302(78)83628-5
[5]
DOBSON H, 1975, J REPROD FERTIL, V42, P141, DOI 10.1530/jrf.0.0420141
[6]
EDQVIST LE, 1975, CORNELL VET, V65, P120
[7]
ELLICOTT AR, 1974, J ANIM SCI, V39, P207