malechick相关论文
Aim: To assess whether exogenous estradiol has any effect on migration of primordial germ cells (PGCs) in the chick. Met......
选用12日龄蛋鸡雏90只,随机分成3组,Ⅰ组每羽注鸡血清制剂1mL;Ⅱ组每羽肌注“双抗”1mL;Ⅲ组每羽肌注生理盐水1mL。对各组的生活率,生产性能及免疫后的......