1. Department of Theriogenology, Faculty of Veterinary Medicine, Assiut University
2. Laboratory of Theriogenology, Faculty of Agriculture, Iwate University
3. Shadai Farm
4. Clinical Veterinary Science, United Graduate School of Veterinary Sciences, Gifu University
5. Department of Medicine and Surgery, Sylhet Govt. Veterinary College
6. Laboratory of Animal Breeding and Reproduction, Faculty of Agriculture, Iwate University
7. Laboratory of Veterinary Physiology, Tokyo University of Agriculture and Technology
8. Laboratory of Theriogenology, Obihiro University of Agriculture and Veterinary Medicine