Effects of Dietary Sterol-Enriched Yeast Hydrolysate on Ovarian Development, Reproductive Endocrine Status, Immune-Inflammatory Responses, Antioxidant Indices, and Egg Quality in Late-Laying Yellow-Feathered Broiler Breeder Hens
Haoran Si, Zhifang Shi, Mengyun Li, Yining Zhang, Bo Fan, Xuanyang Li, Yongzhen Li, Xiaotong Wang, Jian Liu, Lei Xi · 2026
Read Effects of Dietary Sterol-Enriched Yeast Hydrolysate on Ovarian Development, Reproductive Endocrine Status, Immune-Inflammatory Responses, Antioxidant Indices, and Egg Quality in Late-Laying Yellow-Feathered Broiler Breeder Hens by Haoran Si, Zhifang Shi, Mengyun Li, Yining Zhang, Bo Fan, Xuanyang Li, Yongzhen Li, Xiaotong Wang, Jian Liu, Lei Xi (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-13565570.txt.
Description
Haoran Si and nine co-authors fed a yeast-based supplement to aging breeder hens and tracked reproduction, in a 2026 study. Seven hundred twenty hens, fifty-five weeks old, took part. Diets carried four dose levels of the supplement for six weeks. The product mixes sterols with other yeast parts. Effects cannot be credited to sterols alone, the authors note.
Shell strength rose at the two higher doses. Fertility and hatching did not change. A middle dose gave the best ovary measures and most mid-size follicles. The highest dose raised hormone and antibody levels most. It also raised stress-linked signals. Antioxidant enzyme activity rose in liver and ovary only. The authors name the middle dose a candidate for more trials. The strongest blood response did not match the best ovary response.
Catalog record
| CREATOR | Haoran Si, Zhifang Shi, Mengyun Li, Yining Zhang, Bo Fan, Xuanyang Li, Yongzhen Li, Xiaotong Wang, Jian Liu, Lei Xi |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 35 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |