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Method for producing thallus protein forage by using solid state fermentation of pomace and dreg or stalks with mixed aerobic bacteria liquor

A technology of protein feed and solid-state fermentation, which is applied in animal feed, animal feed, protein food processing, etc., can solve the problems of small number of product cells, high energy consumption, complicated operation, etc., achieve high bacterial cell concentration, save equipment and Energy, effect of improving nutritional value

Inactive Publication Date: 2008-07-30
孙荣高
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But what is reported at present is not perfect enough, it is difficult to form industrialized production, and the main problems are:
The disadvantages of this technology are: (1). When preparing anaerobic microbial fermentation agent, there are many kinds of strains required, and many auxiliary materials are added, especially expensive multiple enzyme preparations are added, which is complicated to operate and energy-consuming and investment are relatively large
(2). The production cycle of anaerobic fermentation feed is long, generally takes 7-30 days, the growth and reproduction of bacterial cells is slow, the number of cells in the product is small, and the protein content is low
(3). The plant area occupied by feed production is large, the energy consumption is large, and it is difficult to carry out industrial production
The disadvantage of this technology is that there are many pretreatment equipment, high energy consumption, and the soluble nutrients are taken away by the dross filtrate that has been removed, and must be recycled or treated.

Method used

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  • Method for producing thallus protein forage by using solid state fermentation of pomace and dreg or stalks with mixed aerobic bacteria liquor
  • Method for producing thallus protein forage by using solid state fermentation of pomace and dreg or stalks with mixed aerobic bacteria liquor
  • Method for producing thallus protein forage by using solid state fermentation of pomace and dreg or stalks with mixed aerobic bacteria liquor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] Example 1: Take 2000kg of fresh brewer's grains with 65% moisture content and add 0.5% H 2 SO 4 The processed corn cob flour, bran, and corn flour, in which the weight ratio of corn cob flour: bran: corn flour is 2:1:0.5, and 4% ammonium sulfate and 3% urea relative to the dry matter are added. After mixing well , Adjust the water content of the solid fermentation material to 45%, adjust the pH value to 5.5 with 1% lime water, and then add 12% of the total dry material to the mixture of Geotrichum, Candida and Rhizopus, Geotrichum candidum The weight ratio of Candida to Rhizopus is 55% of Geotrichum candida, 35% of Candida and 10% of Rhizopus. After fully mixing and mixing, the product is stacked on the ground when the temperature reaches 32°C, with a thickness of 10cm, and fermented at room temperature 32°C for 18 hours. The crude protein of the product can reach 21.99%, and the amino acid accounts for 81.52% of the crude protein.

Embodiment 2

[0075] Example 2: Take 2000kg of fresh brewer's grains with 75% moisture content and add 1% H 2 SO 4 The processed corn cob flour, bran, and corn flour, in which the weight ratio of corn cob flour: bran: corn flour is 4:3:1, and 2% ammonium sulfate and 1% urea relative to the dry matter are added to adjust the solid fermentation material The moisture content is 55%. After mixing well, adjust the pH value to 6.5 with 1% lime water, and then add 8% of the total dry material to the mixture of Geotrichum, Candida and Rhizopus, Geotrichum candidum The weight ratio of Candida to Rhizopus is 65% of Geotrichum candida, 30% of Candida and Rhizopus 5%. After fully mixing and mixing, the product is stacked on the ground when the temperature reaches 28°C, and the thickness is 15cm. After fermentation and culture at room temperature 28°C for 24 hours, the crude protein of the product can reach 21.99%, and the amino acid accounts for 81.52% of the crude protein.

Embodiment 3

[0076] Example 3: Take 3000kg of brewer's grains with 80% moisture content and add 1.5% H 2 SO 4 The processed corn stalk meal is steamed, and bran and corn flour are added. The weight ratio of corn stalk meal: bran: corn flour is 2:1:0. After fully mixing, adjust the solid fermentation material to 45% moisture. Adjust the pH to 5.5 with 1% lime water, and then add 9% of the total dry material to the mixture of Geotrichum, Candida and Rhizopus. The weight ratio of Geotrichum candidum, Candida and Rhizopus is white ground Mold 65%, Candida 30%, Rhizopus 5%, stir and mix well, stack it until the temperature rises to 35°C, spread it on the ground, with a thickness of 10cm, fermented at room temperature 32°C for 20 hours, the product is coarse The protein can reach 20.58%.

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Abstract

A method for preparing the bacterial protein forage includes such steps as providing distillers' grains, straw or stalk, bran and corn powder, stirring, adding ammonium sulfate and urea, regulating pH=5.5-6.5 by lime milk, inoculating the liquid mixture of reticularia, candida utilis and Rhizopus, and fermenting at 28-32 deg.C for 18-24 hr in the ventilation condition.

Description

Technical field: [0001] The invention mainly relates to a method for producing bacterial protein feed by aerobic mixed bacterial liquid solid fermentation dregs and straw. Background technique: [0002] my country has a large population and a serious lack of protein, and there are certain difficulties in increasing production or importing fishmeal, which seriously affects the rapid development of my country's animal husbandry. It is the development trend of the feed industry to vigorously develop feeds with high nutritional value and low production costs. The raw material resources such as waste liquid, waste residue and agricultural scraps such as straw produced by the food and beverage industry in my country are quite abundant. The use of these raw materials to produce livestock and poultry feed has been a concern of scientific and technological workers in recent years. However, the current reports are not complete enough to form industrialized production. The main problems are...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K1/06A23J3/14A23J3/34A23K10/38
CPCY02P60/87
Inventor 孙荣高
Owner 孙荣高
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