1. Laboratory of Animal Breeding and Genetics Department of Animal and Grassland Sciences Faculty of Agriculture University of Miyazaki Miyazaki Japan
2. Department of Animals Science and Rangeland Management Faculty of Agricultural Sciences Lupane State University Lupane Zimbabwe
3. Livestock Improvement Association of Miyazaki Miyazaki Japan
4. Laboratory of Animal Husbandry Resources Graduate School of Agriculture Kyoto University Kyoto Japan