共 50 条
[22]
GIL LA, 1973, P SOC EXP BIOL MED, V142, P670, DOI 10.3181/00379727-142-37091
[26]
MCDANIEL BT, 1965, DAIRY HERD IMPROVEME, V41
[27]
MOWAT DN, 1972, J ANIM SCI, V34, P332