Corn bran bacterial protein fermented feed and preparation method thereof

Abstract

The invention discloses a corn bran bacterial protein fermented feed and a preparation method thereof. The preparation method of the corn bran bacterial protein fermented feed disclosed by the invention comprises the following steps: adding a primary fermentation inoculant into a fermentation material mainly composed of corn bran for primary fermentation to obtain a primary culture product; adding a secondary fermentation inoculant into the culture product for secondary fermentation to obtain a secondary fermentation product, the secondary fermentation product is the corn bran bacterial protein fermented feed; the active ingredients of the primary fermentation inoculant are aspergillus niger, bacillus subtilis and saccharomyces cerevisiae; the active ingredient of the secondary fermentation inoculant is lactobacillus buchneri. The corn bran bacterial protein fermented feed and the preparation method thereof have a wide application prospect.

Description

technical field [0001] The invention relates to corn husk protein fermented feed and a preparation method thereof in the field of biological feed fermentation. Background technique [0002] In recent years, protein feed resource constraints have gradually become a bottleneck for the development of China's feed industry and even animal husbandry production. At present, China's feed grain accounts for about 35% of the total grain output, and it is estimated that by 2020 and 2030, the proportion will reach 45% and 50% respectively, but the expected annual increase of grain is only about 1%, and the emergence of a feed grain gap is inevitable , among which protein feed resources are more tense. According to statistics, it is estimated that the gap of protein feed in my country will reach 27.9 million tons by 2030. Therefore, it is the top priority to continue to increase the output of protein feed and alleviate the tense situation of protein feed in my country. At the same tim...

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Problems solved by technology

[0003] Corn bran is the main by-product of corn starch processing and fermentation enterprises using corn as raw material. It accounts for about 15% of the total mass of corn. It is difficult to be utilized due to its high content of cellulose and hemicellulose. It is usually directly baked After drying, it is cheaply sold as a crude fiber component for feed, but due to the high content of cellulose and hemicellulose, the palatability and feeding effect are not good

In addition, this treatment method consumes a lot of water and energy, and produces harmful gases

At the same time, for the fermentation and corn deep processing industry, the added value is low and the industrial chain is short, which will inevitably lead to an increase in the cost of main products, a decline in profit margins, weakened market competitiveness, and reduced social benefits

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