共 21 条
- [1] BERGER LL, 1979, J ANIM SCI, V40, P1312
- [3] COLENBRA.VF, 1971, J ANIM SCI, V33, P1091
- [4] COLENBRANDER VF, 1971, J ANIM SCI, V33, P1306
- [5] Fiske CH, 1925, J BIOL CHEM, V66, P375
- [6] Goering H.K., 1970, USDA AGR HDB, V379
- [7] HINDS FC, 1979, DSAC7 ILL AGR EXP ST, P196
- [8] KALI J, 1975, CORNELL U DEP ANIM S, V27