1. Development & Design Department DKK‐Toa Yamagata Corporation Shinjo Japan
2. Beef Cattle Research Division Miyazaki Livestock Research Institute Miyazaki Japan
3. NPi Research Laboratory, Nippon Paper Industries Co., Ltd. Tokyo Japan
4. Faculty of Agriculture Tohoku University Sendai Japan
5. Division of Animal Metabolism and Nutrition Institute of Livestock and Grassland Science, NARO Tsukuba Japan