共 27 条
[2]
BRITT JH, 1978, J DAIRY SCI, V61, P513, DOI 10.3168/jds.S0022-0302(78)83628-5
[6]
DOBSON H, 1975, J REPROD FERTIL, V42, P141, DOI 10.1530/jrf.0.0420141
[9]
HANSEL W, 1983, J ANIM SCI, V57, P404