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Fermented feed for improving animal production performance and/or feed utilization rate and application thereof

A fermented feed and feed additive technology, applied in the field of fermentation, can solve the problems of poor water solubility, lower utilization rate of corn gluten powder, low digestible utilization rate, etc., and achieve higher utilization rate, higher digestible utilization rate, digestible utilization rate high effect

Pending Publication Date: 2022-04-22
QIQIHAR UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the current stage, the method of directly mixing corn gluten powder into feed is often used. Since the main protein of corn gluten powder is prolamin, which has poor water solubility and cannot be effectively absorbed and utilized by animals, the digestibility and utilization rate is low, which reduces the corn gluten. powder utilization

Method used

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  • Fermented feed for improving animal production performance and/or feed utilization rate and application thereof
  • Fermented feed for improving animal production performance and/or feed utilization rate and application thereof
  • Fermented feed for improving animal production performance and/or feed utilization rate and application thereof

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preparation example Construction

[0044] The present invention also provides a preparation method of the feed additive described in the above scheme, comprising the following steps:

[0045] The base material, the mixed bacteria are mixed with water, and the anaerobic fermentation is carried out for 3.5-9 days to obtain the feed additive.

[0046] The invention mixes the bottom material, the mixed bacteria and water, and performs anaerobic fermentation for 3.5-9 days to obtain the feed additive. In the present invention, when the base material is base material 1, the preparation of the fermentation material preferably further includes adding crystallized glucose mother liquor. The present invention has no special requirements on the mixing method, and a mixing method well known to those skilled in the art can be used.

[0047] In the present invention, the time of the anaerobic fermentation is 3.5~9d, more preferably 3.5~7d, most preferably 3.5~5d; the temperature of the anaerobic fermentation is preferably 2...

Embodiment 1

[0059] A mixed bacterial agent for fermented feed, prepared according to the following mass parts: 3 parts of Lactobacillus (preservation number CGMCC No. 13110), 2 parts of Saccharomyces cerevisiae (preservation number CGMCC No. 21353) and 1 part of Bacillus subtilis (preservation number for CGMCC No.21352).

[0060] The preparation of this mixed bacterial agent is:

[0061] Activate Lactobacillus, Saccharomyces cerevisiae and Bacillus subtilis respectively, then inoculate the activated strains into the corresponding liquid medium for shaker culture (200r / min), the culture dimension is 30°C; culture to logarithmic growth period, the seed liquid obtained (the effective number of viable bacteria of the three kinds of bacteria in different seed liquids were 1×10 9 CFU / mL); finally, mixed according to the above volume ratio to obtain a mixed bacterial agent.

[0062] The activation medium of Bacillus subtilis is LB medium, specifically 10g tryptone, 5g yeast extract, 10g sodium...

Embodiment 2

[0066] A feed additive prepared according to the following parts by mass: 5 parts of corn gluten powder, 4 parts of corn germ meal, 1 part of sprayed corn bran, 0.5 part of the mixed bacterial agent prepared in Example 1, and 0.5 part of crystalline glucose mother liquor.

[0067] The preparation of this feed additive is:

[0068] Mix 5 kg of corn gluten powder, 4 kg of corn germ meal, 1 kg of sprayed corn husk, 0.5 kg of the mixed bacterial agent prepared in Example 1, 0.5 kg of crystallized glucose mother liquor and 12 L of water, mix them evenly, and put them into a one-way valve fermentation bag to seal. Ferment at 30°C, and perform a bag-turning operation on the second day of fermentation. After bag expansion, the fermentation is completed in 3 days to obtain the feed additive.

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Abstract

The invention belongs to the technical field of fermentation, and particularly relates to a fermented feed capable of improving animal production performance and / or feed utilization rate and application of the fermented feed. The fermented feed provided by the invention comprises a mixed bacterial agent, the mixed bacterial agent comprises lactobacillus, saccharomyces cerevisiae and bacillus subtilis, and the viable count ratio of the lactobacillus to the saccharomyces cerevisiae to the bacillus subtilis in the mixed bacterial agent is (1-3): (1-3): (1-3); the effective viable counts of the lactobacillus, the saccharomyces cerevisiae and the bacillus subtilis are (1-9) * 10 < 8 > CFU / g respectively and independently. According to the fermented feed disclosed by the invention, the content of soluble protein in the corn protein powder is increased through the mixed bacterial agent, the digestible utilization rate of the corn protein powder is increased, and the utilization rate of the corn protein powder is increased.

Description

technical field [0001] The invention belongs to the technical field of fermentation, and in particular relates to a fermented feed for improving animal production performance and / or improving feed utilization rate and application thereof. Background technique [0002] In recent years, the amount of corn consumed by my country's corn deep processing has increased, and the by-product of corn starch processing, corn gluten meal, has an annual output of about 3 million tons, and the by-product output is huge. Corn gluten meal is a high-protein feed with a protein content of 55.0-60.0%, mainly containing corn glutenin and zein, of which the glutamine content of corn glutenin accounts for about one-third of the protein content, and corn Glamin contains a special amino acid composition, which also contains a high proportion of leucine and proline. This special amino acid composition of corn gluten powder makes it have the functions of maintaining animal intestinal function, repairi...

Claims

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Application Information

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IPC IPC(8): C12N1/20C12N1/18A23K10/18A23K10/12A23K20/147A23K10/37A23K10/38A23K20/163A23K50/75C12R1/225C12R1/865C12R1/125
CPCC12N1/20C12N1/18A23K10/18A23K10/12A23K20/147A23K10/37A23K10/38A23K20/163A23K50/75A23V2400/11Y02P60/87
Inventor 刘晓兰郑喜群王松王燕韩国栋
Owner QIQIHAR UNIVERSITY
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