@article{oai:repository.naro.go.jp:00005168,
 author = {佐々木, 修 and SASAKI, Osamu and 武田, 尚人 and TAKEDA, Hisato and 西浦, 明子 and NISHIURA, Akiko},
 issue = {1},
 journal = {Animal Science Journal, Animal Science Journal},
 month = {Jan},
 title = {The economic value of days open in Holstein cows in Japan based on simulated changes in conception rate},
 volume = {91},
 year = {2020},
 yomi = {ササキ, オサム and タケダ, ヒサト and ニシウラ, アキコ}
}