An experiment designed with monofactor was conducted in 989 ～990. All 8 Shaver star cross 88 pullets at the age of days were divided into groups randomly.
An experiment designed with monofactor was conducted in 989 ～990. All 8 Shaver star cross 88 pullets at the age of days were divided into groups randomly.
采用单因子分组设计,将8只日龄星杂88小母鸡随机分成组,每只鸡为笼,每组笼。