鱼粉是水产饲料主要原料，它影响饲料产品的色泽、气味及饲料价值。但市场上销售的鱼粉掺杂现象非常普遍，掺杂物之多（如菜子饼粕、棉籽饼粕、沙石、谷壳、食盐、蹄角粉、血粉、羽毛粉、尿素、石粉、动物胶。泥土、灰渣等等），严重影响其质量。为此，笔者介绍几种简便并实用 Fish meal is the main raw material for aquafeed, which affects the color, smell and feed value of the feed product. However, the phenomenon of doping fishmeal on the market is very common. As many doping substances (such as rapeseed meal, cottonseed cake, sandstone, chaff, salt, horn powder, blood meal, feather meal, urea, Mud, ash, etc.), seriously affecting its quality. To this end, I introduce a few simple and practical