Effect of the new fixed-time artificial insemination technology based on novel hormone preparations in gilts - Kexiong Liu; Hanbing Zhang; Xiaoling Xu; Zheng Huang; Feng Ji; Yusheng Qin; Linli Xiao; Shiwen Chen; Miaomiao Yan; Peng Zhao; Suozi Ge; Jiani Shu; et al. (Animal Reproduction Science, 2025)