以下为句子列表：
英文: The results on st insemination with Lyghorn hens observed, The shortest interval to ovulate a fertile egg was . hours, The longest was 9 hours, and the average was 9. hours.
中文: 本试验从来航母鸡一次输精后观察到:(一)产第一枚受精蛋最短时间为. 小时,最长为 9小时,平均为9.小时;
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