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animal
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fingerling abroach
鱼苗开口
是指刚孵化出来的小鱼苗不会马上进食,需经过一段时间的流动水暂养,而后在合适的环境下,吃食其适口饵料。
开口是鱼苗繁殖专业名词。一般的,如肉食性鱼——鳜,在开口前,其鱼苗受环境影响很大,死亡率极高;开口后,各项生存指标明显增高,所以,在这类鱼苗繁殖生产中,
鱼苗开口
也作为一关键监控点,受到关注。