共 14 条
- [1] BARTLEY EE, 1971, J ANIM SCI, V33, P1351
- [3] CHURCH DC, 1972, PRACTICAL NUTRITION
- [4] CHURCH DC, 1975, DIGESTIVE PHYSL NUTR
- [5] COLLIER BL, 1968, Patent No. 3415225
- [6] FELL BF, 1968, RES VET SCI, V9, P458
- [7] GERKEN HJ, 1971, J ANIM SCI, V32, P379
- [9] GREENE HJ, 1974, CAN VET J, V15, P191