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Protein feedstuff and preparation method thereof

A protein feed and auxiliary material technology, applied in animal feed, animal feed, additional food elements, etc., can solve the problems of protein feed that have not been found, so as to alleviate the shortage of feed protein, improve feed intake speed, crude protein content and protease activity increased effect

Inactive Publication Date: 2009-06-17
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Microbial fermentation technology has become one of the more mature technologies today, and some of them have also achieved large-scale production, but so far no one has been found to use microbial fermentation of flax meal to prepare protein feed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1, preparation and performance measurement of protein feed

[0035] 1. Preparation of protein feed

[0036] 1. Preparation of fermentation medium

[0037] Take 10 g of linseed meal with a particle size of 20-40 mesh that is pulverized with a grease grinder, and add it to a 250 mL conical flask. A buffer solution with a pH of 2.0 is added, and the mass ratio of the linseed meal to the buffer solution is 1:7. Obtain the fermentation medium.

[0038] 2. Culture of strains

[0039] (1) Preparation of slant strains

[0040] Potato glucose slant medium or 5Be°wort slant medium was used to inoculate Aspergillus oryzae (Asperillus oryzae 3.951, Culture Collection Center, Institute of Microbiology, Chinese Academy of Sciences) in strict accordance with aseptic procedures, and cultured in an incubator at 28°C for 48 hours to make slant bacteria. species, stored in the refrigerator for later use.

[0041] (2) Bacteria culture

[0042] Using potato dextrose liquid...

Embodiment 2

[0052] Embodiment 2, preparation and performance measurement of protein feed

[0053] 1. Preparation of protein feed

[0054] 1. Preparation of fermentation medium

[0055] Take 10 g of linseed meal with a particle size of 100-120 mesh that is pulverized with a grease grinder, and add it to a 250 mL conical flask. A buffer solution of pH 10.0 was added, and the mass ratio of flax meal to buffer solution was 1:7. Obtain the fermentation medium.

[0056] 2. Culture of strains

[0057] (1) Preparation of slant strains

[0058] Potato glucose slant medium or 5Be°wort slant medium was used to inoculate Aspergillus oryzae (Asperillus oryzae 3.951, Culture Collection Center, Institute of Microbiology, Chinese Academy of Sciences) in strict accordance with aseptic procedures, and cultured in an incubator at 28°C for 48 hours to make slant bacteria. species, stored in the refrigerator for later use.

[0059] (2) Bacteria culture

[0060] Using potato dextrose liquid culture medi...

Embodiment 3

[0070] Embodiment 3, preparation and performance measurement of protein feed

[0071] 1. Preparation of protein feed

[0072] 1. Preparation of fermentation medium

[0073] Take 10 g of linseed meal with a particle size of 20-40 mesh that is pulverized with a grease grinder, and add it to a 250 mL conical flask. According to the mass of linseed meal, add 10% bran, 1.0% ammonium sulfate and 0.5% dipotassium hydrogen phosphate, and mix well. A buffer solution of pH 6.0 is added, and the mass ratio of flax meal to buffer solution is 1:6. Obtain the fermentation medium.

[0074] 2. Culture of strains

[0075] (1) Preparation of slant strains

[0076] Potato glucose slant medium or 5Be°wort slant medium was used to inoculate Aspergillus oryzae (Asperillus oryzae 3.951, Culture Collection Center, Institute of Microbiology, Chinese Academy of Sciences) in strict accordance with aseptic procedures, and cultured in an incubator at 28°C for 48 hours to make slant bacteria. species...

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Abstract

The present invention discloses a protein feed and method for preparing the same. The method for preparing the protein feed provided by the present invention obtains the protein feed by fermenting the flax. In the inventive protein feed, the content of the crude protein obviously increases relative to the raw material, the neutral detergent fiber is significantly reduced, thereby producing a large number of proteases and increasing the nutritional value. The products have sufficiently improved colors relatively to the raw material, aromatic smell, loose materials, improved foraging velocity and feed intake of the livestock, sufficiently improved palatability and improved biology valence of the flax feed. The method of the invention not only saves energy and simplifies the production process, and has advantages of high-yielding, simple process, low investment, low energy consumption, less covering and so on. The present invention has great economic value and social significance.

Description

technical field [0001] The invention relates to a protein feed and a preparation method thereof. Background technique [0002] Flaxseed, also known as flaxseed, is the seed of flax, a plant in the flax family. The world's flaxseed production has increased rapidly in the past decade, and China has become the world's second largest flaxseed producer next to Canada, with flaxseed production accounting for 20% of the world's total. Flaxseed oil is rich in about 73% polyunsaturated fatty acids and 18% monounsaturated fatty acids, making it a high-quality source of edible oil. During the preparation of linseed oil, a large amount of defatted meal will be produced. The linseed meal is rich in protein, lignans, soluble fiber, minerals and vitamins and other nutrients, which can well supplement the gap of protein feed in the market and is available important resource. At present, linseed meal cannot be effectively utilized, and only a small amount of linseed meal can be added to t...

Claims

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Application Information

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IPC IPC(8): A23K1/14A23K1/00A23K10/12A23K20/142A23K20/147
Inventor 李栋吴敏汪立君毛志怀
Owner CHINA AGRI UNIV
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