1. Soybean meal and fish meal belong to protein feed, and corn belongs to energy feed. The mixed feed of these three feeds for chickens is single and lacks vitamins and minerals.

2. There are soybean meal, fish meal and corn. It is best to add bran, bone meal, shell powder, vitamins, trace elements, salt, fine sand and so on. According to a certain proportion, it is made into complete feed for chickens.

3, laying hens feed ratio:

62% of corn, 0/8% of soybean meal/kloc-0, 5% of bran, 7% of imported fish meal, 7% of bone meal 1% of shell powder, 0.4% of salt, 0. 1% of trace elements and 2 parts per million of multivitamin.