1. Division of Animal Sciences; Institute of Agrobiological Sciences; National Agriculture and Food Research Organization (NARO); Tsukuba Ibaraki Japan
2. The United Graduate School of Veterinary Science; Yamaguchi University; Yamaguchi City Yamaguchi Japan
3. Institute of Biotechnology; Vietnam Academy of Science and Technology; Hanoi Vietnam
4. Institute of Livestock and Grassland Science; NARO; Tsukuba Ibaraki Japan