Feed for improving immunity of fish and preparation method of feed

Abstract

The invention discloses a feed for improving fish body immunity, which is characterized in that it is made of the following raw materials in parts by weight: wax gourd powder 12-15, chinensis powder 34-37, red bean powder 28-34, onion residue 32-36, Pear seed powder 15‑17, mussel powder 18‑22, water chestnut starch 6‑7, coconut oil cake 35‑37, xylanase 0.1‑0.12, paeonol 8‑9, mannan oligosaccharides 1.1‑1.3, laver polyphenols 0.9‑1.1, maltooligosaccharides 2.3‑2.5, white kidney beans 15‑18, honeycomb 40‑43, sticky konjac flour. The invention uses white kidney beans, vitamin B1 solution, phosphatidylcholine, and hyaluronic acid to fill honeycombs to prepare vitamin granules, and a coating layer is arranged on the outer wall of the vitamin granules to effectively protect the activity of the nutrient granules, and effectively improve the digestive function of the fish body, promote Absorption of nutrients.

Description

technical field [0001] The invention belongs to the field of fermented feed for fish breeding, and in particular relates to a feed for improving fish body immunity and a preparation method thereof. Background technique [0002] Fish breeding, rearing and stocking. Fish farming, also known as aquaculture, fish farming and pisciculture, is important in maintaining food supplies, fishing and expanding fishing areas. Many species have been successfully introduced into new areas through fish farming. There is a type of fish farming that involves keeping goldfish and tropical fish both as a profession and as a hobby. Others include keeping minnows as bait and keeping other fish in private waters. Large quantities of fish are farmed in many parts of the world and are mostly sold commercially. However, only a few species are successfully used for this purpose, including catfish, herring, carp and salmon. [0003] Protein is an important nutrient for the survival of fish and shr...

AI Technical Summary

Problems solved by technology

If you take too much protein, the protein that cannot be digested and utilized will be excreted in the form of nitrogen, which not only reduces the protein utilization efficiency of the body, but also increases the pressure on water quality management, and it is also easy to cause intestinal diseases.