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

This study aimed to determine the dietary tryptophan (Trp) requirement for laying duck breeders. A total of 504 Longyan duck breeders (body weight: 1.20 ± 0.02 kg) aged 22 wk were randomly allocated to 6 treatments, each with 6 replicates of 14 ducks. During the next 16 wk, birds were fed the basal...

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Detalhes bibliográficos
Publicado no:Poult Sci
Main Authors: Zhang, Y.N., Ruan, D., Wang, S., Huang, X.B., Li, K.C., Chen, W., Xia, W.G., Wang, S.L., Zheng, C.T.
Formato: Artigo
Idioma:Inglês
Publicado em: Elsevier 2021
Assuntos:
METABOLISM AND NUTRITION
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC8242034/
https://ncbi.nlm.nih.gov/pubmed/34174564
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.psj.2021.101145
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