Riuru Mizuno, Rin Yamaguchi, Kaoru Matsuura, Ayaha Ishigami, Ryosuke Sakumoto, Ken Sawai, Keisuke Koyama, Michiko Okubo, Kousaku Souma, Hiroki Hirayama. Expression and localization of anti-Müllerian hormone and its receptors in bovine corpus luteum. Theriogenology. 2024. 226. 228-235
Takuji Wakatsuki, Tsukasa Nakamura, Ayumi Ishii, Kanta Konishi, Michiko Okubo, Kousaku Souma, Hiroki Hirayama. Calving prediction with continuous measurement of subcutaneous tissue glucose concentration in pregnant cows. Theriogenology. 2023. 202. 119-124
Yuichi Koshiishi, Michiko Murata-Okubo, Yuichi Kameyama, Kousaku Souma, Hiroki Hirayama, Kenta Wada. Genetic relationships among emu populations in Japanese farms based on mitochondrial and microsatellite DNA polymorphisms. Animal science journal = Nihon chikusan Gakkaiho. 2022. 93. 1. e13786
Inaba R, Kawahara-Miki R, Shinozawa A, Yasuhara T, Fujii T, Koyama K, Murata-Okubo M, Souma K, Hirayama H. Impaired placentomal interferon signaling as the possible cause of retained fetal membrane in parturition-induced cows. J Reprod Dev. 2022. 68. 1. 30-37
Hiroki Hirayama, Ryo Inaba, Michiko Okubo, Kousaku Souma. Differentially expressed genes in cervical mucosa at calving and their potential as predictive indicators of the incidence of retained fetal membrane. Society for the Study of Reproduction, 56th Annual Meeting. 2023