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A kind of pretreated corn steep liquor and its direct injection method in livestock and poultry feed

A corn steep liquor and pretreatment technology, applied in animal feed, animal feed, application, etc., can solve the problems of unfavorable corn steep liquor feed composition application, lower feed utilization rate, high water content of corn steep liquor, etc., and prevent the loss of feed nutrients , Improve the production efficiency of the enterprise, and reduce the water content

Inactive Publication Date: 2020-03-13
山东益客食品产业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, due to the high water content of untreated corn steep liquor, it is not suitable to be directly added to the feed, and the direct drying method needs to consume a lot of energy and increase the production cost
Moreover, because corn steep liquor also contains toxic or anti-nutritional factors such as aspergillus, phytate, and sulfite, if it is added to the feed without treatment, it will not only greatly reduce the feed utilization rate, but also may cause poisoning of the fed livestock and poultry. Conducive to the application of corn steep liquor as a feed ingredient

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] A pretreatment method for corn steep liquor, comprising the steps of:

[0042] (1) Add 1mol / L NaOH solution to the corn steep liquor, stir and process, and adjust the pH of the corn steep liquor to 5.3;

[0043] (2) Add liquid phytase to the corn steep liquor after pH adjustment, based on the enzyme activity of 5000U / ml, when the phytase acts, the temperature is 35°C, the rotation speed is 35r / min, the stirring reaction time is 3h; the addition amount is 1.0 L / m 3 meter, stir and mix;

[0044] (3) Insert cultured Bacillus amyloliquefaciens (Bacillus amyloliquefaciens) and Aspergillus niger (Aspergillus niger) respectively into the corn steep liquor after enzymolysis obtained in step (2) to carry out fermentation culture; The Bacillus amyloliquefaciens (Bacillus amyloliquefaciens) and Aspergillus niger (Aspergillus niger) inoculation sequence and time: first inoculate Bacillus amyloliquefaciens, stirring speed 150r / min, aerobic fermentation 8h, then inoculate Aspergill...

Embodiment 2

[0047] A pretreatment method for corn steep liquor, comprising the steps of:

[0048] (1) Add 1mol / L NaOH solution to the corn steep liquor, stir and process, and adjust the pH of the corn steep liquor to 5.2;

[0049] (2) Add liquid phytase to the corn steep liquor after pH adjustment, based on the enzyme activity of 5000U / ml, when the phytase acts, the temperature is 40°C, the rotation speed is 25r / min, the stirring reaction time is 3h; the addition amount is 0.8 L / m 3 meter, stir and mix;

[0050] (3) Insert cultured Bacillus amyloliquefaciens (Bacillus amyloliquefaciens) and Aspergillus niger (Aspergillus niger) respectively into the corn steep liquor after enzymolysis obtained in step (2) to carry out fermentation culture; The Bacillus amyloliquefaciens (Bacillus amyloliquefaciens) and Aspergillus niger (Aspergillus niger) inoculation sequence and time: first inoculate Bacillus amyloliquefaciens, stirring speed 100r / min, after aerobic fermentation for 12h, then inoculat...

Embodiment 3

[0053] A pretreatment method for corn steep liquor, comprising the steps of:

[0054] (1) Add 1mol / L NaOH solution to the corn steep liquor, stir and process, and adjust the pH of the corn steep liquor to 5.3;

[0055] (2) Add liquid phytase to the corn steep liquor after pH adjustment, based on the enzyme activity of 5000U / ml, when the phytase acts, the temperature is 37°C, the rotation speed is 30r / min, the stirring reaction time is 2h; the addition amount is 0.5 L / m 3 meter, stir and mix;

[0056] (3) Insert cultured Bacillus amyloliquefaciens (Bacillus amyloliquefaciens) and Aspergillus niger (Aspergillus niger) respectively into the corn steep liquor after enzymolysis obtained in step (2) to carry out fermentation culture; The Bacillus amyloliquefaciens (Bacillus amyloliquefaciens) and Aspergillus niger (Aspergillus niger) inoculation sequence and time: first inoculate Bacillus amyloliquefaciens, stirring speed 150r / min, aerobic fermentation 8h, then inoculate Aspergill...

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Abstract

The invention discloses pretreated corn steep liquor and a direct spray using method thereof in a livestock and poultry feed. The moisture of the corn steep liquor can be effectively reduced, and besides, toxic and nutrition-resistant factors in the corn steep liquor are effectively removed, so that the pretreated corn steep liquor can be directly used for feeding livestock and poultry. In particular, the pretreatment method of the corn steep liquor comprises the following steps of (1 ) adding alkali liquor to the corn steep liquor, performing stirring treatment, and regulating the pH of the corn steep liquor to be 5.2-5.3; (2) adding phytase to the corn steep liquor of which the pH is regulated, and performing stirring and uniform mixing treatment; and (3) separately inoculating the corn steep liquor after being subjected to enzymolysis in step (2) with cultured bacillus amyloliquefaciens (Bacillus amyloliquefaciens) and aspergillus niger ( Aspergillus niger ), performing fermentation culturing, and after culturing is finished, obtaining the corn steep liquor.

Description

technical field [0001] The invention belongs to the technical field of feed production, in particular to pretreated corn steep liquor and its direct injection method in livestock and poultry feed. Background technique [0002] Corn steep liquor is the main by-product of corn deep processing. It is produced by crushing and separating corn after soaking in sulfurous acid solution. It is rich in soluble protein, auxin and some precursor substances, and contains about 40% to 50% solids Substance, taste slightly salty. At present, dry corn steep liquor powder has been widely used in antibiotic industry, vitamin, amino acid, enzyme preparation and other fermentation industries. Wang Zhiye, Qi Hongshan, et al. Application of corn steep liquor in dextran fermentation production [J]. China Brewing, 2008, 27(19):64-66.) reported corn steep liquor as one of the nitrogen sources for dextran fermentation, studied The impact of corn steep liquor addition on dextran, research shows, when...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K10/12A23K10/14
Inventor 曹明
Owner 山东益客食品产业有限公司
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