Fish feed containing Chinese herbal medicines and preparation method thereof

The invention provides a fish feed containing Chinese herbal medicines and a preparation method thereof, and belongs to the field of fish feeds. The purposes of promoting fish growth, improving fish resistance and enhancing fish disease prevention and control capability are achieved. A semen diluent capable of increasing the fertilization rate of the Yellow River catfish and used at present is prepared from a basal feed and a traditional Chinese medicine composition, the basal feed is prepared from 50% of fish meal, 20% of soybean meal, 3% of shrimp meal, 16.5% of flour, 3.9% of fish oil, 3% of corn oil, 1% of lecithin, 0.5% of choline, 0.5% of VC phosphate, 0.1% of DMPT, 1% of compound vitamin and 0.5% of compound mineral salt, and the traditional Chinese medicine composition is prepared from 20 g of swallowwort root, 20 g of bighead atractylodes rhizome, 30 g of wrinkled gianthyssop herb, 20 g of poria cocos and 20 g of fructus amomi. The traditional Chinese medicine composition is soaked in 2L of distilled