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Method for producing feed through pretreating at high temperature and fermenting at low temperature

A low-temperature fermentation and pretreatment technology, applied in animal feed, animal feed, applications, etc., can solve the problems of not being able to meet the feeding needs of various animals, not being able to greatly improve the nutrition of feed raw materials, and the harm of chemicals to animals, so as to promote Adjustment of agricultural industry structure, solving the problem of feed protein shortage, alleviating the effects of humans and animals competing for food

Inactive Publication Date: 2015-04-29
SHANDONG XIWANG SUGAR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] (1) Some technologies only use physical treatment methods, which cannot greatly improve the nutrition of feed raw materials, and the utilization rate of raw materials is low
[0004] (2) Some technologies only use chemical treatment, using concentrated acid, concentrated alkali, lime, etc. to treat raw materials rich in lignocellulose, which has high cost and low yield, and the added chemicals are harmful to animals
[0005] (3) Some technologies use enzymatic hydrolysis alone, and the cost is too high to be promoted
[0006] (4) The type of starter is single and highly targeted, which cannot meet the feeding needs of various animals

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment １

[0034] Slant medium: 1.0% glucose, 1.0% corn steep liquor, 2.0% agar, pH 7.5, sterilized at 115°C for 20 min.

[0035] Liquid medium: 1.0% corn bran, 1.0% corn steep liquor, CaCO 3 0.3%, filter paper 0.1%, pH 7.5, no sterilization required.

[0036] The following microorganisms: Bacillus coagulans, Bacillus licheniformis, Bacillus thermophilia, Proteus, chelating coccus, and lignocellulose-degrading bacteria were respectively inserted into the slant medium, cultured at 55°C for 3 days, and the strain slant was obtained; then six Each of the microorganisms was put into the liquid culture medium one by one, and cultured at 55° C. for 3 days to obtain the microorganism culture solution.

[0037] Mix corn husks, germ meal, corn steep liquor, and protein powder in amounts of 200 g, 180 g, 100 g (dry matter), and 110 g, respectively. Take 1 g each of amylase, cellulase, and hemicellulase, dissolve them in 500 ml of microbial culture solution, add them to the mixed material, and t...

Embodiment 2

[0041] The treatment of preparing straw fermented feed is the same as that in Example 1; it should be noted that the type of enzymes can be added without amylase, and can be added with cellulase and hemicellulase; the amount of enzymes can be increased appropriately, with 0.2 % is appropriate, and the high temperature pretreatment time is 2 days. The index of this feed product is: protein 20%-30%, oligosaccharide 2%-5%. The feed can be fed to ruminants such as cattle and sheep.

Embodiment 3

[0043] The process of preparing the fermented feed is the same as in Example 1; it should be noted that the corn bran and germ meal should be crushed to below 80 mesh in advance; The protein feed can be fed to fish.

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Abstract

The invention discloses a method for producing a feed through pretreating at a high temperature and fermenting at a low temperature. The method comprises the following steps: first utilizing amylases, celluloses, hemicellulase, bacillus coagulans, bacillus licheniformis, tropophilous bacilli, proteus hause, chelating cocci, lignocellulolytic microorganisms and the like as degrading factors, and degrading starch, celluloses and hemicelluloses in the materials into monosaccharides or polysaccharides at 40-70 DEG C; then inoculating the materials with candida utilis, monilia tropicalis, saccharomyces cerevisiae, lactobacilli and bacillus subtilis by a fermenting technology, and fermenting at 20-40 DEG C to make a high-protein feed with oligomerization functional sugar for cattle, sheep, pigs, chicken or other animals. The method can solve the insufficient protein problem of animal husbandry, enhance animal constitutions, relieve the pressure that people and livestock contest with crop and reduce pollution, and has significant economical and social benefits.

Description

technical field [0001] The invention relates to the technical field of producing protein feed by fermenting crops and straw, in particular to a method for producing feed by high-temperature pretreatment and low-temperature fermentation. Background technique [0002] Crops and their by-products are the source of feed in our country. These materials contain protein, starch, sugar, etc., and are the main source of animal nutrition. However, some materials contain more cellulose, hemicellulose, and lignin, which can not be digested and absorbed by monogastric animals except for ruminants, which leads to waste of feed. Therefore, the pretreatment of feed raw materials is the key to solve the shortage of feed. a way. At present, there are many methods for raw material pretreatment, and there are generally four types in summary, namely physical methods, chemical methods, mixed additive methods and starter fermentation methods. Strictly speaking, however, the current technology is...

Claims

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Application Information

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IPC IPC(8): A23K1/00A23K1/14
CPCY02P60/87
Inventor 王棣李伟李树王亮杨荣玉唐海静李秋红谢登玉夏颖颖崔立平
Owner SHANDONG XIWANG SUGAR
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