青草鲢鳙鲤鲫鲂等水花在下塘后的几天至培育成夏花前的这段时间(规格为体长1～2.2厘米)很难辨别其品种,因此,有人将鱼苗混杂起来或直接蒙骗购买者,从中获取暴利,使养殖者遭受很大的经济损失。据笔者的经验和有关资料,将幼苗期鱼苗品种的辨别方法介绍如下,供参考。肉眼观察从两 Grass carp, big carp, bighead carp, crucian carp, etc. It is difficult to identify the breed for several days after the ponds have been cultivated into summer flowers (specifications 1 to 2.2 cm in body length). Therefore, some people fry the fry or deceive them directly Buyers, get huge profits, so that farmers suffer great economic losses. According to the author’s experience and relevant information, seedling seedling species identification methods are described below for reference. Visual observation from two