About NAKAHORI YUKA
About YAMAGUCHI SATOSHI
About 北酪検
About ABE HAYATO
About 北酪検
About NAKAGAWA SATOSHI
About 北酪検
About YAMAZAKI TAKESHI
About BABA TOSHIMI
About 日本ホルスタイン登録協
About HAGIYA KOICHI
About 北海道畜産草地学会報
About dairy cattle
About fertility(reproduction)
About rearing management
About classification
About parturition
About genetic correlation
About Hokkaido
About cattle herd performance test
About days open
About Cattle
About Rearing management
About 飼養
About 形態
About 分類
About 乳牛
About 空胎日数