共 5 条
- [1] INTENSIVE BEEF PRODUCTION .4. EFFECT ON NITROGEN RETENTION OF ALL-CONCENTRATE DIETS CONTAINING DIFFERENT LEVELS OF FISH MEAL [J]. ANIMAL PRODUCTION, 1965, 7 : 19 - &
- [2] PRESTON T. R., 1956, Agriculture, London, V62, P462
- [3] 1963, 1137 PUBL NAT RES CO
- [4] 1965, NUTRIENT REQUIREMENT
- [5] 1965, OFFICIAL METHODS ANA