方法出生一天的來亨雞隨機(jī)遮蓋一眼,另眼作為對(duì)照.Methods FDM was established in 60 one - day - old leghorn chicks.方法選用正常白色來亨雞24只,每組12只24趾.Methods: Twenty - four white Leghorn chickens were divided into 2 groups.方法: 32只來亨雞隨機(jī)分為對(duì)照組和3個(gè)實(shí)驗(yàn)組 ( 每組8只 ).M...