目前渔农在放养特种经济鱼类幼苗中,常因不会鉴别幼苗,而上“鱼贩子”的当,有的买的几乎全是“杂鱼苗”、“弱苗”,从而造成经济损失。鉴此,今介绍养鱼科技示范户鉴别鱼苗的经验,以供参考。1.体形草鱼苗较青、鲢、鳙短小,但比青鱼苗胖。青鱼苗体长、略呈弯曲(农民常称为“驼背青鱼”)。鳙鱼苗体较大肥胖。鲫鱼苗短小,呈楔形,鳔后部分逐渐削 At present, the stockholders of the special economic types of fish and fish in the stock market often fail to identify the seedlings. However, the purchasers of “fishmongers” often buy “scarred fish” and “weak seedlings”, resulting in economic losses. In view of this, this introduction of fish farming technology demonstration household identification fry experience for reference. 1. Body shape grass fry more green, silver carp, shortened, but more than blackfish fry. Herring grows long, slightly curved (farmers are often referred to as “humpback herring”). Catfish body larger fat. Crucian carp is short, was wedge-shaped, after the partial cut gradually