作者：
摘要：<正> Two hundred and seventy multiparous Chinese Yellow cattle (beef) were selected at 1 to 3 months postpartum and divided into three groups (90 cows for each). Animals were given both a primary and booster immunizations with a total dose of 3 mg (Group Th) or 1.5 mg (Group TI) of seminal preparation containing inhibin activity, emulsified with Freund’s complete adjuvant and incomplete adjuvant (for booster) , at 3 or 4-week intervals. Other cows were treated with the same volume of seminal preparation without
关键词：Beef cows;Seminal inhibin;Active immunization;Twinning;Ovulation rate;
文献注录：. Artificial Induction of Twinning by an Active Immunization of Beef Cows Against Inhibin Partially Pu [J]. Agricultural Sciences in China. 2002, 04: 111-116.
报/刊名：《Agricultural Sciences in China》，发表于2002 / 第 04 期。
文献类型： [J] （文献级别：核心刊物）
页码：第 111-116 页 / 共6 页