『更級日記』の「闇にくれたる姨捨」考--孝標女の晩年と「狂言綺語」の文芸観

The objectives of this study were to quantify the relationships between traits observed before the first breeding season and fertility of 946 Angus and 351 Simmental heifers and to use those traits to develop prediction equations for heifer fertility. Logistic regression methodology was used. Traits... View More