1. Department of Animal Science, Tottori Livestock Research Center, Tottori 689-2503, Japan
2. SCREEN Holdings Co., Ltd., Kyoto 612-8486, Japan
3. Laboratory of Theriogenology, Joint Department of Veterinary Medicine, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan
4. Organization for Research Initiative and Promotion, Tottori University, Tottori 680-8550, Japan