A special feed for high-protein black fish

Abstract

The invention discloses a special high-protein feed for snakehead fishes. The feed comprises an extruded feed and frozen fish paste, wherein the extruded feed comprises the following raw materials by weight percent: 50%-55% of imported fish meal, 20%-25% of bean pulp, 2%-3% of yeast powder, 5%-7% of spiral seaweeds, 8%-10% of fish oil, 5%-8% of corn powder, 1%-2% of a vitamin premix and 1%-2% of a microelement premix; the frozen fish paste comprises the following raw materials by weight percent: 30%-40% of pseudorasbora parva, 25%-35% of abbottina rivularis, 20%-30% of carp fries and the balance of other wild trash fishes. According to the mode, the feed is balanced in nutrition and high in protein content; the snakehead fishes are completely fed with the feed, so that the water body pollution can be alleviated, the growth of the snakehead fishes can be promoted, the meat quality of the snakehead fishes can be improved, and especially the immunity of the snakehead fishes is improved, the yield-per-mu of the snakehead fishes is increased, and the economic benefit of snakehead fish farming is remarkably increased.

Description

technical field [0001] The invention relates to the field of aquatic product feed, in particular to a special feed for high-protein black fish. Background technique [0002] Black fish is a rare freshwater fish with high economic value. It is known as "the treasure of fish". It is a high-end health product with comprehensive nutrition and delicious meat. Treasures. Snakefish has a high meat content and no intermuscular spines. It is one of the fish products suitable for all ages. According to the measurement, every 100 grams of fresh fish meat contains 19.8 grams of protein, 1.4 grams of fat and 1.2 grams of sugar, which is a typical High-protein, low-fat health food. According to medical records, black fish also has pharmacological effects such as removing blood stasis and promoting blood circulation, nourishing and strengthening yang, tightening muscles and promoting body fluid, and recuperating chills. In addition, unlike other fish, black fish is not easy to die after...

AI Technical Summary

Problems solved by technology

[0003] At present, snakehead farming has become one of the hot topics in aquaculture, but the existing snakehead farming is mainly limited to using fresh and live bait to raise snakehead. It can reduce the pollution of the feed to the water body by fully using the formula feed. However, snakeheaded fish is a carnivorous animal and has high requirements for feed. The protein content of the feed must be above 39%, and the trace elements and additives in the feed should also be suitable for snakeheaded fish. Its own physiological requirements, otherwise it will seriously affect the growth of snakeheaded fish, and the existing fish feed cannot meet the growth needs of snakeheaded fish