Genebank, National Institute of Agrobiological Sciences, Tsukuba 305-8602, Japan;
Animal Breeding and Reproduction Research Team, National Institute of Livestock and Grassland Science, Tsukuba 305-0901, Japan;
Animal Breeding and Reproduction Research Team, National Institute of Livestock and Grassland Science, Tsukuba 305-0901, Japan;
Genebank, National Institute of Agrobiological Sciences, Tsukuba 305-8602, Japan;
Animal Breeding and Reproduction Research Team, National Institute of Livestock and Grassland Science, Tsukuba 305-0901, Japan;
Genebank, National Institute of Agrobiological Sciences, Tsukuba 305-8602, Japan;