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- [1] Effect of dietary protein levels in the rearing period on egg laying performance of Shaoxing ducks Zhejiang Nongye Daxue Xuebao, 6 (647-652):
- [7] EFFECT OF DIFFERENT LEVELS OF DIETARY ZINC AND PROTEIN ON NITROGEN-RETENTION IN RATS NUTRITION REPORTS INTERNATIONAL, 1984, 30 (05): : 1183 - 1191