Production method of functional protein feed rich in four essential amino-acids

Abstract

The invention discloses a production method of a functional protein feed rich in four essential amino-acids. The production method comprises the following steps: firstly, carrying out liquid fermentation on corynebacterium glutamicum, candida parapsilosis, lactobacillus plantarum and bacillus natto; mixing fermented liquid rich in metabolites and living bacteria to prepared the mixed fermented liquid; then, mixing with one or more than two of bean pulp, cottonseed meal, rapeseed dregs and peanut meal at a certain ratio, and carrying out solid fermentation; and finally drying and packaging the product, so as to obtain the final product in which the crude protein content is greater than 50% and four essential amino-acids are abundant. According to the production method, the fermented liquid is directly mixed and fermented together with a solid material; the probability of contamination with infectious microbes is reduced; the energy consumption is low; no waste is discharged; the content of anti-nutritional factors in meal materials is lowered; the content of the essential amino-acids and protein in the raw materials is improved; the added economic value of agricultural and sideline products is improved; the essential amino acids in the finished feed are high in content; the adding amount of exogenous essential amino acids can be replaced; and the feed cost is reduced.

Description

technical field [0001] The invention relates to the technical field of animal feed production, in particular to a production method of functional protein feed rich in four essential amino acids. Background technique [0002] my country's aquaculture industry is well developed, and the main sources of a large amount of feed protein raw materials consumed each year are soybean meal and fish meal. Although the crude protein content of these two products is relatively high, there are problems such as uneven quality of fishmeal and increasing shortage of resources, while cake feed is relatively low in cost, but it belongs to vegetable protein, which contains a large amount of anti-nutritional factors, which affects animals. Digestion and absorption of feed. In order to solve this problem, in recent years there has been a technology of using mixed bacteria such as lactic acid bacteria, bacillus, saccharomyces and photosynthetic bacteria to ferment and produce feed protein raw ma...

AI Technical Summary

Problems solved by technology

However, the amino acids currently used in feed are almost all pure products produced through biological fermentation, and then mixed and added to concentrated feed or full-price feed, which greatly increases the cost of feeding

[0003] Microorganisms such as bacillus, yeast, and lactic acid bacteria can be used to directly ferment agricultural and sideline products such as soybean meal. Although it can eliminate anti-nutritional factors in soybean meal and improve digestibility, for example, the national patent (publication number: CN102406134A) provides a fermentation with high digestibility Solid-state fermentation of soybean meal, but it is difficult to increase the content of essential amino acids in the fermented protein feed produced by these methods

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