共 21 条
- [1] ADAMS RS, 1975, 1C975 PENN STAT EXT
- [2] [Anonymous], 1975, OFFICIAL METHODS ANA
- [4] BROSTER W. H., 1972, Dairy Science Abstracts, V34, P265
- [6] MARTIN LJF, 1978, CAN VET J, V19, P331
- [8] MOE PW, 1976, 1ST P INT S FEED COM
- [9] PELISSIER C L, 1976, Theriogenology, V6, P575, DOI 10.1016/0093-691X(76)90125-4