论文部分内容阅读
在河蟹配合饲料中分别添加复合矿物盐、外源性促生长剂、复合维生素、诱食剂进行生长影响对比试验,确定适宜成份及含量。利用研制的配合饲料进行生产性试验,饲料系数1.64,投入产出1:3.85,亩纯盈利6221元。
In the crab feed were added composite mineral salts, exogenous growth promoters, multivitamins, attractants attractant growth contrast test to determine the appropriate composition and content. Produced using the developed feed test, feed coefficient of 1.64, input and output 1: 3.85, profit of 6221 yuan per mu net profit.