摘要
本文综述了种禽、种蛋和孵化条件对孵化率的影响。种蛋属于内在影响因素,种禽通过种蛋对孵化率起间接影响;孵化条件属外在影响因素。要提高种蛋孵化率,必须同时考虑这三个影响因素。
This paper summarize the effects of breeding bird and hatchi -ng egg and hatching condition on hatchability.The hatching egg belong to internal factor, breeding bird effects on hatchability by hatching egg,hatch -ing condition belong to outside factor.lt is to raise the hatchability of the hatching eggs of poultry, we must pay attention to these factors at the same time.
出处
《信阳农业高等专科学校学报》
1991年第1期90-94,共5页
Journal of Xinyang Agricultural College
关键词
孵化率
种禽
种蛋
孵化条件
hatchability breeding bird hatching egg hatching condition.