TY - GEN AU - van Zyl,J G AU - Horn-Quass,J G AU - Ross,A G TI - Towards a shorter calving interval in South African dairy herds SN - 1019-9128 PY - 1995///0807 KW - Anestrus KW - drug effects KW - Animal Husbandry KW - methods KW - Animals KW - Cattle KW - Dairying KW - Estrus KW - Estrus Detection KW - veterinary KW - Female KW - Pregnancy KW - Pregnancy, Animal KW - Progesterone Congeners KW - pharmacology KW - Time Factors N1 - Publication Type: Journal Article ER -