Pelteobagrus fulvidraco body color improving environmentally protective and puffed compound feed

Abstract

The present invention discloses a pelteobagrus fulvidraco body color improving environmentally protective and puffed compound feed which consists of the following composition in mass percentages: 15-25% of steamed fish meal, 5-15% of meat and bone meal, 15-25% of peeled soybean meal, 5-15% of double-low rapeseed meal, 5-15% of corn gluten meal, 1-3% of laminaria japonica powder, 2-5% of brewer's yeast powder, 20-30% of high-gluten flour, 4-6% of soybean oil, 0.5-1.0% of choline chloride, 1.0-2.0% of multi-vitamins, 0.5-1.5% of multi-minerals, 1.0-2.0% of calcium dihydrogen phosphate, 0.2-0.4% of vitamin A, 0.1-0.3% of vitamin C, 0.5-1.0% of tagetes erecta extract Y, 0.4-1.0% of vitamin E, and 0.2-0.4% of de-mold agent. The puffed feed can meet the full nutritional requirements of pelteobagrus fulvidraco adult fish farming, is good in attractant, can promote the rapid growth of pelteobagrus fulvidraco after being fed, is low in feed conversion ratio, can maintain or quickly restore normal body color of pelteobagrus fulvidraco, and has significant economic and environmental benefits.

Description

technical field [0001] The invention relates to the field of aquaculture feed, in particular to an extruded compound feed for improving the body color of the peltaceae. Background technique [0002] Yellow catfish ( Pelteobagrus flvidraco Richardson) is a kind of small and medium-sized economic fish with wide distribution in my country, belonging to Siluriformes, Pleurodidae, and Peeled catfish. The yellow catfish has tender meat, delicious taste, rich nutrition, few intermuscular thorns, and can be marketed fresh, which is very popular among consumers. Pelter catfish has wide temperature adaptability and fast growth rate. The breeding fry of the year can reach 2 taels of marketed commodity specifications within a year. The output per unit area is high, and because it is a bottom-dwelling fish, it can be mixed with various fish, so it is very Famous breeds with market potential. At present, more than 20 provinces in the country have carried out the cultivation of yellow c...

AI Technical Summary

Problems solved by technology

[0005] With the improvement of breeding technology and pond intensification, the growth rate of yellow catfish is accelerated, and its breeding cycle is greatly shortened compared with natural growth. At the same time, its food source is mainly compound feed, and it lacks the opportunity to obtain natural bait.

However, due to the immature basic research of artificial compound feed, combined with the comprehensive influence of problems such as breeding density, pond environment, and diseases, artificially cultured yellow catfish is very prone to body color change. The body color of yellow catfish generally has the following discoloration situations: 1. The body color is albino, the black body color is normal, but lacks yellow, and the body color "turns white"; or the skin of the yellow catfish has relatively obvious black patches, but the skin color is light, without yellow body color, and the body color "turns black" "; second, the body color is yellow, and there are basically no black spots on the fish body, and the overall yellowish color appears as "banana fish"; third, the body surface is mixed with white and yellow, and the proper "yellow-brown" body is lost. color features

The "discolored" yellow catfish is not recognized by the market and consumers, it is difficult to sell, and the price is greatly reduced, which seriously affects the profits of farmers and the development of the industry