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Pig feed production method

A production method and technology for pig feed, applied in animal feed, animal feed, animal husbandry, etc., can solve problems such as excessive addition ratio, poor protein quality, indigestion, etc., achieve nutritional balance, improve soluble nitrogen content, and improve quality. Effect

Inactive Publication Date: 2019-05-21
黄海洋
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the fiber content in brewer's grains is high, and its protein quality is poor and difficult to digest. If it is added in a large proportion in pig rations, it will affect the growth and development of pigs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0007] Embodiment 1, brewer's grain steam explosion pretreatment effect

[0008] The pressure of brewer's grain steam explosion pretreatment is 2Mpa, and the treatment time is 1min. The neutral detergent fiber (NDF) of brewer's grain before blasting was 67.8%, and it was 45.9% after blasting, which decreased by 21.9%, and the effect of fiber reduction was very remarkable.

[0009] Fermentation conditions: material-to-water ratio 1:1, temperature 30°C, mixed bacteria (Aspergillus niger: Candida utilis=1:1, the total number of colonies is 1.3×1011cpu / g) inoculum amount is 0.05% dry brewer's grain weight and / Or add 0.05% compound enzyme, and the fermentation time is 4 days. The composition and activity of the compound enzymes are β-glucanase, activity>4 million U / g compound enzyme; xylanase, activity>2 million U / g compound enzyme; cellulase, CMC enzyme activity> 200,000 U / g compound enzyme; papain, activity > 20,000 U / g compound enzyme; each component is mixed evenly according...

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PUM

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Abstract

The invention belongs to a pig feed production method, which belongs to the technical field of feed processing. The production method is characterized in that beer vinasse is subjected to steam explosion pretreatment and mixed bacteria addition and / or complex enzyme solid anaerobic fermentation to degrade the fiber content in the beer vinasse, the soluble nitrogen content of beer vinasse is improved, the quality is better, and the nutrition is more balanced, and the fermented beer vinasse, waste yeast powder, corn flour, soybean meal and a premix are uniformly mixed to obtain a feed added withthe beer vinasse for fattening pig.

Description

technical field [0001] The invention belongs to the technical field of feed processing. In particular, it relates to a method for producing pig feed by using brewer's grains, which are by-products of beer production, and waste yeast powder to fatten pig feed. technical background [0002] In the current pig production, the basic composition of the diet is corn-soybean meal. With the vigorous development of the breeding industry, the contradiction between the supply and demand of feed raw materials is becoming more and more prominent, and the cost of feed is also getting higher and higher. In the process of beer production, a large amount of waste, such as brewer's grains and waste yeast, will be generated. Brewers usually sell the brewer's grains directly to farmers in the form of wet grains, or dry them as roughage for ruminants (cattle). However, the fiber content in brewer's grains is high, and its protein quality is poor and difficult to digest. If it is added in a lar...

Claims

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Application Information

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IPC IPC(8): A23K50/30A23K10/12A23K10/38
CPCY02P60/87
Inventor 黄海洋
Owner 黄海洋
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