1. Department of Science and Technology, Graduate School of Medicine, Science and Technology Shinshu University Kami‐ina Nagano Japan
2. Laboratory of Animal Functional Anatomy (LAFA), Faculty of Agriculture Shinshu University Kami‐ina Nagano Japan
3. Department of Agricultural and Life Sciences, Faculty of Agriculture Shinshu University Kami‐ina Nagano Japan
4. Laboratory of Animal Nutrition, Faculty of Agriculture Iwate University Morioka Iwate Japan