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Method for preparing protein feed by fermentation on straw and cake using aerobic mixed bacteria

A protein feed and oxygen mixing technology, applied in animal feed, animal feed, applications, etc., can solve the problems of low cell number, high price, long production cycle, etc., and achieve improved nutritional value, high lean meat rate, and smooth feathers Effect

Inactive Publication Date: 2012-06-13
甘肃鑫盛源牧业科技有限公司
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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 starter, there are many types of strains required, and many auxiliary materials are added, especially a variety of expensive enzyme preparations. The operation is complicated and the energy consumption 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 product cells is small, and the protein content is low
(3). The plant area occupied by feed production is large, the production cycle is long, the energy consumption is large, and it is difficult to realize industrial production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1: through 0.5%H 2 SO 4 Treated corncob flour, bean cake meal, and bran, wherein the weight ratio of corncob meal: soybean meal: bran is 2:0.5:0.5, and 4% of ammonium sulfate and 3% of urea are added relative to the total amount of dry material. After fully mixing, adjust the water content of the solid fermentation material to 50%, adjust the pH value to 5.5 with 1% lime water, and then add a mixed bacterial solution of Geotrichum candidum, lactic acid bacteria, and Bacillus licheniformis that is 12% relative to the total dry material , the weight ratio of Geotrichum candidum, lactic acid bacteria and Bacillus licheniformis is 55% of Geotrichum candidum, 35% of lactic acid bacteria, and 10% of Bacillus licheniformis. After fully stirring and mixing evenly, stack it until the temperature reaches 32°C, spread it on the ground with a thickness of 10cm, and ferment and cultivate it at a room temperature of 32°C for 18 hours. The crude protein of the product can ...

Embodiment 2

[0034] Embodiment 2: through 1%H 2 SO 4 Processed wheat straw powder, peanut cake, and bran, wherein the weight ratio of wheat straw powder: peanut cake: bran is 2:1:1, and 2% of ammonium sulfate and 1% of urea are added relative to the total amount of dry material. Adjust the water content of the solid fermented material to 55%. After fully mixing, adjust the pH value to 6.5 with 1% lime water, and then add a mixed bacterial solution of Geotrichum candidum, lactic acid bacteria, and Bacillus licheniformis that is 8% relative to the total amount of dry material. , the weight ratio of Geotrichum candidum, lactic acid bacteria and Bacillus licheniformis is 65% of Geotrichum candidum, 30% of lactic acid bacteria, and 5% of Bacillus licheniformis. After fully stirring and mixing evenly, stack it until the temperature reaches 28°C, spread it on the ground with a thickness of 10cm, and ferment and cultivate it at a room temperature of 28°C for 24 hours. The crude protein of the pro...

Embodiment 3

[0035] Embodiment 3: through 1.5% H 2 SO 4The processed corn stalk powder is steamed and processed, and bran and rapeseed cake are added, wherein the weight ratio of corn stalk powder: rapeseed cake: bran is 2:0.5:1. After fully stirring evenly, adjust the solid fermentation material The water content is 55%, adjust the pH to 5.5 with 1% lime water, and then add the mixed bacteria solution of Geotrichum candidum, lactic acid bacteria and Bacillus licheniformis which is 9% relative to the total amount of dry material, and the mixture of Geotrichum candidum, lactic acid bacteria and Bacillus licheniformis The weight ratio is 65% of Geotrichum candidum, 30% of lactic acid bacteria, and 5% of Bacillus licheniformis. After fully stirring and mixing evenly, stack it until the temperature rises to 35°C, spread it on the ground with a thickness of 10cm, and ferment and cultivate it at room temperature at 32°C for 20 hours. The crude protein of its products can reach 21.58%, and the a...

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PUM

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Abstract

The invention mainly relates to a method for preparing a protein feed by fermentation on straw and cake using aerobic mixed bacteria. The method for preparing a protein feed by fermentation on straw and cake using aerobic mixed bacteria is mainly characterized by comprising the following steps of: uniformly stirring straw, cake, wheat bran and corn flour, and enabling the water content thereof toachieve 50-60%; adding ammonium sulphate having an amount of 0.5-4% relative to the total amount of dry materials and urea having an amount of 0.5-3% relative to the total amount of dry materials; adjusting pH to 5.5-6.5 by 1% lime water; joining the raw materials in bacterial solution having an amount of 8-12% relative to the total amount of dry materials, obtained by mixing geotrichum candidum,lactic acid bacteria and bacillus licheniformis, and having a ratio by weight of 50-60% of geotrichum candidum to 30-35% of lactic acid bacteria to 5-10% of bacillus licheniformis; and fermenting for18-24 hours in a ventilation condition at a temperature of 28-32 DEG C, so as to prepare the fermented protein feed. The method for preparing a protein feed by fermentation on straw and cake using aerobic mixed bacteria disclosed by the invention utilizes modern bio-technology, optimizes the best combined bacteria, has simple and convenient production process, saves equipments and energies, and reduces the needed investment.

Description

technical field [0001] The invention mainly relates to a method for preparing protein feed by fermenting straw cake with aerobic mixed bacteria. Background technique [0002] Our country has a large population, but there is a serious shortage of protein, and there are certain difficulties in increasing production or importing fish meal, which seriously affects the rapid development of my country's animal husbandry. It is the development trend of feed industry to vigorously develop protein feed with high nutritional value and low production cost. my country's agricultural product waste such as straw, cake and other raw material resources are quite rich, and the use of these raw materials to produce livestock and poultry feed has become a concern of scientific and technological workers in recent years. But what is reported at present is not perfect enough, it is difficult to form industrialized production, and the main problems are: [0003] The traditional anaerobic ferment...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/14A23K1/16
CPCY02P60/87
Inventor 武旭华孙荣高杨晓娥孙宇
Owner 甘肃鑫盛源牧业科技有限公司
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