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Method for producing biological feed by segmented solid fermentation of combined microorganisms

A technology combining microorganisms and solid fermentation, applied in animal feed, animal feed, application, etc., can solve the problem of less than 30% utilization rate

Pending Publication Date: 2020-05-08
宁夏乙征生物工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

my country is a big cotton planting country and also a big supplier of cotton cake meal. Although its protein content reaches 30-40%, and its amino acid composition is relatively complete, and contains sugar, fat, phospholipid, vitamin and cellulose, etc., but because it contains free Gossypol, making its utilization less than 30%

Method used

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Embodiment Construction

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0023] In the embodiment of the present invention, a method for producing biological feed by combined microbial staged solid fermentation, the specific production steps are as follows:

[0024] S1, strain culture:

[0025] 1. Cultivation of Aspergillus niger and Trichoderma viride: Take 500g of bran, and then wash the bran with water until there is no starch on the bran, then take out the bran and drain the water, and then put the bran in the oven The drying room is dehydrat...

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Abstract

The invention discloses a method for producing a biological feed by segmented solid fermentation of combined microorganisms. According to the invention, by adoption of segmented combination of mould,saccharomycetes, spore bacteria and lactic acid bacteria, and with cotton cake meal as a main substrate for solid fermentation, a cottonseed cake meal biological fermentation feed which has low free phenol, is rich in probiotics, protein, micromolecular peptide, lactic acid, biological enzyme and the like and facilitates digestion and absorption of animals is obtained. In the fermentation feed prepared according to a proportion, the content of free gossypol is 29 mg / kg; the content of micromolecular peptide is 18.7%; the content of amino acid nitrogen is 1.95%; the content of crude protein is37.1%, and is increased by 42% or above compared with the content of the crude protein in an initial culture medium; the number of lactic acid bacteria is 0.37 billion cfu / g; the number of spore bacteria is 5,300,000,000 cfu / g; the activity of protease is 267 u / g; the activity of glucoamylase is 390 u / g; and the activity of cellulase is 1.9 umol / g.

Description

technical field [0001] The invention relates to the field of biological feed production, in particular to a method for producing biological feed through staged solid fermentation of combined microorganisms. Background technique [0002] my country's protein feed resources are seriously lacking, and the self-sufficiency rate is less than 50%. Plant cakes are the most used protein feed. my country is a big cotton planting country and a big supplier of cotton cake meal. Although its protein content reaches 30-40%, and its amino acid composition is relatively complete, and contains sugar, fat, phospholipid, vitamin and cellulose, etc., but because it contains free Gossypol makes its utilization less than 30%. In order to improve the utilization rate of cotton cake, remove free phenols of cotton cake, and eliminate its anti-nutritional factors, it is planned to combine mold, yeast, spore and lactic acid bacteria in stages, and use cotton cake as the main substrate for solid ferme...

Claims

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Application Information

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IPC IPC(8): A23K10/12A23K10/37A23K10/33
CPCA23K10/12A23K10/37A23K10/33Y02P60/87
Inventor 孙维国陈龙
Owner 宁夏乙征生物工程有限公司
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