Proanthocyanidins (PAs) as the end products of the flavonoid biosynthetic pathway mainly accumulate in seed coat but......

选取288只42周龄健康农大三号商品蛋鸡,随机分为6个组,每组设4个重复,在基础日粮中以亚硒酸钠的形式添加硒0.3 mg/kg;其余各组以纳......