共 32 条
[4]
DONALDSON LE, 1985, VET REC, V117, P488
[6]
GREVE T, 1981, THESIS ROYAL VET AGR, P26
[7]
Gyawu P., 1980, 9th International Congress on Animal Reproduction and Artificial Insemination, 16th-20th June, 1980. III. Symposia (free communications)., P130
[8]
HALLEY SM, 1986, THERIOGENOLOGY, V6, P785
[10]
IRVIN HJ, 1967, THERIOGENOLOGY, V10, P417