Articles | Volume 68, issue 3
https://doi.org/10.5194/aab-68-445-2025
https://doi.org/10.5194/aab-68-445-2025
Original study
 | 
04 Jul 2025
Original study |  | 04 Jul 2025

Effects of replacing soybean meal with an equivalent amount of fermented feed on the production performance and egg and meat quality of laying hens during the late laying period

Zhongwei Miao, Linli Zhang, Li Li, Jianfeng Pei, Shenyi Shi, Zhiming Zhu, Qinlou Huang, Nenzhu Zheng, and Qingwu Xin

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Short summary
Replacing soybean meal with fermented feed led to a decrease in the abnormal egg rate during the late laying period of Hy-Line Gray laying hens as well as enhancing eggshell strength and thickness. Moreover, this replacement strategy reduced breast muscle drip loss, increased pH levels, and improved meat color. Moreover, it lowered fat and cholesterol content in muscle and facilitated amino acid deposition. Notably, replacing 10 % of soybean meal with fermented feed for 8 weeks demonstrated promising outcomes.
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