共 24 条
- [11] A TECHNIQUE FOR IMPROVING THE FERTILITY OF FRENCH FRIESIAN COWS IN A TROPICAL CLIMATE - EFFECT ON PLASMA PROGESTERONE PROFILE [J]. REPRODUCTION NUTRITION DEVELOPMENT, 1983, 23 (01): : 129 - 136
- [12] GOMILA LF, J DAIRY SCI, V60, P129
- [13] HAWK HW, 1979, BELTSVILLE S AGR RES, V3
- [14] Helwig J.T., 1979, SAS USERS GUIDE
- [18] MONTY DE, 1974, AM J VET RES, V35, P1496