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Article History

Received: 16 May 2025

Accepted: 6 February 2026

First Online: 14 February 2026

Declarations

:

: All animal procedures conducted in this study strictly followed the guidelines for the ethical treatment of animals in scientific research. The entire experimental protocol was reviewed and approved by the Animal Experiment Ethics Committee of Xinjiang Agricultural University (Permit Number: 2020024). Before the commencement of the study, all pregnant mare owners were thoroughly informed of the purpose, procedures, potential risks, and benefits of the study. They voluntarily signed informed consent forms, agreeing to the inclusion of their animals in the research. All efforts were made to ensure the welfare and humane treatment of the animals throughout the experimental period.

: Not applicable.

: The authors declare no competing interests.