[PS23] 23. Reproduction: Dairy

[RE-P19] Effect of the prolonged preovulatory period in a short synchronization protocol on the conception rate after timed embryo transfer in dairy cows

〇Naoya Kawahara¹, Takeshi Miyama^1,2 (1. Yamagata Prefectural Agricultural Mutual Aid Association, 2. Graduate School of Veterinary Medicine, Rakuno Gakuen University)