肉食性鱼类诱食剂的评价方法与诱食效果

Evaluation methods and attractive effects of attractant on carnivorous fish

在开发肉食性鱼类的配合饲料时通常需要添加不同类型诱食剂,以达到刺激食欲、促进摄食、消化和改善生长性能等目的。为了方便筛选肉食性鱼类的最佳诱食剂,文章归纳了诱食剂的评价方法,常用诱食剂的类型、诱食效果及其他生理作用。结果表明,氨基酸、动植物提取物、甜菜碱和DMPT均对多数肉食性鱼类具有较好的诱食效果;中草药和复合诱食剂是具有开发潜力的诱食剂。文章对肉食性鱼类诱食剂的评价和筛选具有一定的实践参考价值。

Various attractants are used commonly in formulated feed for Carnivorous fish in order to stimulate appetite and digestion and improve growth. This article summarized evaluation meth- ods of attractants and types and attractive effects and physiological functions of attractants in or- der to seXect optional attractants for carnivorous fish. The results showed that amino acids, ani- mal and plant extracts, betaine and DMPT pro-duccd perfect attractant effects on carnivorous fish; Chinese herb medicine and complex attracts were promising ones. This article provided practical reference value on evaluating and selecting attracts for carnivorous fish.