Dietary metabolic energy/lysine ratios improve the yolk color and Hastelloy unit without affecting the egg performance of brown laying hens

This experiment evaluated the impact of varying ratios of dietary metabolic energy: lysine (ME: Lys) in the diet on egg production, egg quality, and feed intake of laying hens. A total of 432 Hy-line brown laying hens, aged 55 wk, were reared over a period of 11 weeks. Hens were individually assigne...

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Bibliographic Details
Main Authors: Jiagang Du, Rufei Zhuang, Yuanju Zhang, Yan Wang, Yunguo Liu, Qianqian Zhang, Jianying Zhang
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-08-01
Series:Frontiers in Animal Science
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Online Access:https://www.frontiersin.org/articles/10.3389/fanim.2025.1638293/full
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