共 19 条
- [2] BUCHANAN RA, 1970, 18 INT DAIR C SYDN, V1, P511
- [3] DRYDEN L P, 1972, Journal of Dairy Science, V55, P714
- [4] EDMONDSON L F, 1972, Journal of Dairy Science, V55, P677
- [8] OLTJEN RJ, 1973, AGR RES, V21, P14
- [10] Scott T. W, 1970, Aust. J. Sci., V32, P291