Effects of dietary Chaihu-Shugan-San on egg production performance, egg quality, and hepatic lipid metabolism of late-laying hens
Ailian Geng
This study aimed to evaluate the effects of Chaihu-Shugan-San (CSS) on egg production, egg quality, ovarian development, serum lipid levels, liver function, and hepatic lipid metabolism in laying hens. A total of 480 67-week-old laying hens (Jinghong No. 1) were randomly assigned to four groups. Each group comprised eight replicates of 15 hens. A basal diet was fed to the control group (CON), and a basal diet supplemented with 0.5% (CSS1), 1.5% (CSS2), or 2.5% CSS (CSS3) was fed to the other gro