共 20 条
[2]
BRATTON RW, 1957, CORNELL U AGR EXPER, V924, P25
[3]
Bruning JL, 1977, COMPUTATIONAL HDB ST
[4]
COOPER KJ, 1967, J REPROD FERTIL, V14, P317, DOI 10.1530/jrf.0.0140317
[5]
COOPER KJ, 1969, J REPROD FERTIL, V19, P577, DOI 10.1530/jrf.0.0190577
[6]
Dominic C.J., 1978, Journal of Animal Morphology and Physiology, P104
[8]
GANGRADE BK, 1981, INDIAN J EXP BIOL, V19, P645
[9]
GUILBERT H. R., 1942, JOUR ANIMAL SCI, V1, P3
[10]
LEATHEM JAMES H., 1966, J ANIM SCI, V25, P68