共 15 条
- [1] AMBLE VN, 1964, INDIAN COUNCIL AGRIC
- [2] Bhasin N. R., 1967, Indian Journal of Veterinary Science, V37, P339
- [3] BONSMA FN, 1939, PUBL U PRETORIA SER
- [4] DALTON D. C., 1962, Animal Prod., V4, P269
- [5] DICKINSON A. G., 1962, Animal Prod., V4, P64
- [8] HAMMOND J, 1932, GROWTH DEVELOPMENT M
- [9] HUNTER GL, 1957, J AGR SCI, V48, P36
- [10] JOHANSSON I, 1943, ANN AGR COLL SWEDEN, V2, P145