广大渔农往往从鱼饲料的颜色、气味、含蛋白高低、粉碎细度、颗粒形状、光泽度、耐水溶性等方面来判别鱼饲料的优劣。而有的生产厂家为了迎合养殖户对外观的要求,只强调饲料的某个方面,不注重实际养殖效果的好坏,造成了养殖户的损失。例如有的厂家在常规鱼料中添加粘合剂增强饲 The majority of fishermen and peasants often discriminate the advantages and disadvantages of fish feed from the aspects of color, odor, protein-containing level, fineness, particle shape, gloss and water-solubility of fish feed. Some manufacturers in order to meet the requirements of farmers on the appearance, only to emphasize some aspects of feed, do not pay attention to the actual breeding effect is good or bad, resulting in the loss of farmers. For example, some manufacturers add conventional additives in the fish feed to enhance feeding