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Method for producing animal fodder by fermenting brewery mash by composite thallus

A technology of animal feed and fermented feed, applied in animal feed, animal feed, application, etc., can solve the problems of unfavorable absorption of nutrients and low degradation rate of crude fiber, so as to increase crude protein content, reduce crude fiber, and increase utilization rate and the effect on digestibility

Inactive Publication Date: 2009-11-25
NANCHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some people use Aspergillus niger, Aspergillus oryzae, Geotrichum candidum and Candida utilis to produce animal feed through the complex fermentation of brewer's grains, but the degradation rate of crude fiber is generally 25% to 30%, and the increase rate of crude protein is 4% to 40%. %, this is still not conducive to the digestion and absorption of nutrients by animals

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] The fresh brewer's grains produced by the brewery are dried and crushed, passed through a 20-mesh sieve, and 7.0 g of crushed brewer's grains and 2.0 g of bean dregs are weighed, (NH 4 ) 2 SO 4 1.0 g was used as the actual production medium, and was subjected to dry heat treatment at 90°C to 100°C for 15s to 1min, and tap water was used to adjust the ratio of solid to liquid to 1:1. At the same time, the fermented cells are activated in the slant medium, and the full nutrient liquid medium is enriched. Afterwards, the enriched Neurospora brassica and lactic acid bacteria were inserted into the actual production solid-state fermentation medium for fermentation at 6% and 8% (v / w) inoculation amounts respectively, and the temperature was adjusted to 20°C to 40°C, and the pH for nature. After the fermentation is finished and dried, the brewer's grain fermented feed is obtained. It was determined that the crude fiber degradation rate of brewer's grains fermented by comp...

Embodiment 2

[0015] The fresh brewer's grains produced by the brewery are pulverized, and the pulverized brewer's grains 70g, okara 20g, (NH 4 ) 2 SO 4 10 g is used as the actual production medium, sterilized by high-temperature steam for 3 minutes to 10 minutes, and after cooling, use tap water with pH 7.0 to adjust the ratio of material to liquid to 1:1 to be inoculated. At the same time, the fermented cells are activated in the slant medium, and the full nutrient liquid medium is enriched. Afterwards, the enriched Neurospora brassica and lactic acid bacteria were inserted into the actual production solid-state fermentation medium to ferment for 100h-120h according to the inoculation amount of 10% and 8% (v / w) respectively, and the temperature was adjusted to 35°C-45°C, and the pH for nature. After the fermentation is finished and dried, the brewer's grain fermented feed is obtained. It was determined that the degradation rate of crude fiber of brewer's grains fermented by composite...

Embodiment 3

[0017] The fresh brewer's grains produced by the brewery are crushed, and the crushed brewer's grains 6.8Kg, rice bran 1.7Kg, (NH 4 ) 2 SO 4 1.0Kg, KH 2 PO 4 0.5Kg is used as the actual production medium, sterilized by high-temperature steam for 3 minutes to 10 minutes, and after cooling, use tap water with pH 7.0 to adjust the ratio of material to liquid to 1:1.5 to be inoculated. At the same time, the fermented cells are activated in the slant medium, and the full nutrient liquid medium is enriched. Afterwards, the enriched Neurospora brassica and lactic acid bacteria were inserted into the actual production solid-state fermentation medium to ferment for 48h-60h according to the inoculation amount of 8% and 10% (v / w) respectively, and the temperature was adjusted to 40°C-50°C, and the pH for nature. After the fermentation is finished and dried, the brewer's grain fermented feed is obtained. The degradation rate of crude fiber of brewer's grains fermented by composite...

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Abstract

A method for producing animal fodder by fermenting brewery mash by composite thallus is characterized in comprising: (1) drying the brewery mash, crushing, and sieving by a 20mu sieve; or crushing fresh brewery mash; (2) adjusting the material / liquid ratio by tap water, mixing well, sterilizing, and cooling for inoculation; (3)activating, and enrichment culturing the fermentation strain in total nutrient type culture medium for 24-30 hours, making preparation for inoculation; (4) placing the expanding culture thallus of neurospora crassa and lactic acid bacteria in aseptic technique condition, and inoculating on the actual production solid state fermentation culture medium according to the inoculation amount respectively in weight volume ratio of 6-8% and 8-10%; (5) placing the fermented brewery mash in the temperature of 70-80 degrees centigrade for drying, and obtaining the brewery mash fermented forage. The advantages of the invention are that: it improves the quality of brewery mash, and increases the utilization rate and digestion rate of forage; 2, reduces the investments of raw material and equipment of the microorganism fermented brewery mash forage, increases benefit; 3, reduces environmental pollution, saves a large amount of grain, and greatly reduces forage cost.

Description

technical field [0001] The invention relates to a method for producing animal feed by fermenting brewer's grains with compound bacteria. Background technique [0002] my country's beer industry is developing rapidly, increasing at an average annual rate of about 6%, and beer production ranks among the top in the world. At the same time, the output of brewer's grains is also quite abundant, and its recycling is of great significance. In foreign countries, the comprehensive utilization of brewer's grains is highly valued and has been widely used in feed, medicine, food and other industries. Our country started late, and these distiller's grains have not been well utilized. With the shortage of feed resources and the enhancement of environmental protection awareness, it is required that the feed industry should simultaneously increase income and save food, and brewing enterprises should consider both sewage discharge standards and turning waste into treasure. Therefore, in r...

Claims

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Application Information

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IPC IPC(8): A23K1/06A23K1/16A23K10/12
Inventor 邓泽元贾才华李静范亚苇刘蓉
Owner NANCHANG UNIV
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