Method for producing high-quality high-protein feed through mixed strain solid-state fermentation of rice dregs and manioc waste

A technology of high-protein feed and solid-state fermentation, applied in animal feed, animal feed, application, etc., to achieve the effect of expanding usage and application and increasing added value

Inactive Publication Date: 2014-03-26
GUANGXI UNIVERSITY OF TECHNOLOGY
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

There is no report of using mixed strains to ferment rice dregs and cassava dregs to produce high-protein feed

Method used

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Embodiment 1

[0016] Embodiment 1: a kind of mixed strain solid-state fermentation rice dregs and the method for producing high-quality high-protein feedstuff of cassava dregs comprise the following steps:

[0017] (1) Preparation of liquid seeds: Bacillus subtilis ( Bacillus subtilis ) for 24 hours, use potato glucose medium (wash and peel potatoes, cut into pieces, weigh 200g, add water and boil for 20min, filter with eight layers of gauze, add 20g of glucose to the filtrate, add water to 1000mL, and pack in a triangular flask, 121 ℃ for 20 minutes, cooled and used for later use) respectively cultured Aspergillus niger at 28 ℃ ( Aspergillus niger ) 3-5d, cultivating brewer's yeast at 28°C ( Brewer yeast ) 2d, the cultured strains were mixed with the volume ratio of Aspergillus niger: Saccharomyces cerevisiae: Bacillus subtilis = 2: 2: 1 to make liquid seeds.

[0018] (2) Mix dry rice dregs (water content less than 10%) and dry cassava dregs (water content less than 10%) in equal propo...

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PUM

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Abstract

The invention relates to a method for producing high-quality high-protein feed through mixed strain solid-state fermentation of rice dregs and manioc waste. The method comprises the following steps: (1) preparation of liquid seed: culturing bacillus subtilis with a nutrient broth liquid medium, culturing aspergillus niger and beer yeast with a potato glucose medium respectively, and mixing the cultured strains aspergillus niger, beer yeast and bacillus subtilis at a volume ratio to obtain the liquid seed; (2) proportionally mixing the rice dregs (dry basis) and manioc waste (dry basis), adding magnesium sulfate, dipotassium phosphate and water, mixing uniformly and inoculating the liquid seed, and culturing for 5-7 days at 28-32 DEG C; (3) drying the fermented material at 40-60 DEG C and grinding to obtain high-protein feed. The method provided by the invention increases the feed value of the rice dregs and manioc waste, and improves the palatability of manioc waste as feed so that the manioc waste is easy to absorb by animals; meanwhile, the method also can improve the effective microbial community in the intestinal tracts of the animals, and has the beneficial effect of improving the immunity and disease resistance of the animals.

Description

technical field [0001] The invention relates to a method for preparing protein feed, in particular to a method for producing high-quality high-protein feed by solid-state fermentation of rice dregs and cassava dregs with mixed strains. Background technique [0002] Rice dregs is a by-product of producing starch sugar from rice. Every 10 tons of rice consumed in the production produces 1 ton of dry rice dregs. The protein content in rice dregs is rich, as high as 60%. Rice dregs from starch sugar factories are currently mainly sold as a single feed, with serious product homogeneity and low added value. Cassava residue is the waste after starch or alcohol is produced from cassava, in which the content of non-nitrogen compounds is more than 75%, and the main components are starch and crude fiber, of which starch accounts for about 50% of the mass fraction, but the protein content is low, only About 3%. Cassava residues are often used to produce fertilizers, feed, cultivate ed...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/00A23K1/14
Inventor 任仙娥黄永春杨锋黄琼
Owner GUANGXI UNIVERSITY OF TECHNOLOGY
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