Estimation of dietary tryptophan requirement for laying duck breeders: effects on productive and reproductive performance, egg quality, reproductive organ and ovarian follicle development and serum biochemical indices
Titel:
Estimation of dietary tryptophan requirement for laying duck breeders: effects on productive and reproductive performance, egg quality, reproductive organ and ovarian follicle development and serum biochemical indices
Auteur:
Zhang, Y.N. Ruan, D. Wang, S. Huang, X.B. Li, K.C. Chen, W. Xia, W.G. Wang, S.L. Zheng, C.T.