Bacillus subtilis and application

A technology of Bacillus subtilis and bacteria powder, applied in the field of microorganisms, can solve the problems of low protease production ability, achieve the effects of reducing environmental pollution, improving digestibility, and reducing nitrogen content

Active Publication Date: 2012-11-21
辽宁凯为生物技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing Bacillus subtilis has the following defects: the

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  • Bacillus subtilis and application
  • Bacillus subtilis and application

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Abstract

The invention relates to bacillus subtilis and an application. The bacillus subtilis KW119 of the present invention is preserved in the common microorganism center of the China committee for culture collection of microorganisms on February 24th, 2012, and the preservation number is CGMCC No.5789. The bacillus subtilis KW119 has high protease producing capability under condition in the chicken intestinal tract, the protease producing capability can reach as high as 538.5 U/mL; by producing protease, protein digestion in a feed can be promoted, the digestion rate of the protein in the feed is increased, the protein digestion rate in the feed can be increased by 17%, the utilization rate of the feed can be increased, the nitrogen content in the night soil is minimized and the ammonia gas mass concentration in a hen house is reduced, when the bacillus subtilis is used in the chicken feed, the hen house environment is improved, the environmental pollution is reduced, and the bacillus subtilis is in favor of healthy growth of chicken.

Description

technical field [0001] The invention belongs to the field of microorganisms, in particular to a strain of bacillus subtilis and its application. Background technique [0002] With the large-scale intensification of chicken production, the stocking density in the chicken house increases, the space is relatively narrow, and the air circulation capacity is poor. Among the harmful gases produced, ammonia (NH 3 ) is one of the main harmful gases that are most harmful to chickens and cause odor in the chicken house environment, and ammonia is produced by the fermentation of nitrogen in undigested protein in the feed. In most areas of our country, farmers mainly raise chickens. There are generally small-scale, low capital investment, manual operation, and heavy workload. It is impossible to clean the manure in time every day, so it is easy to cause accumulation and fermentation of chicken manure in the house. , produce stench and pollute the environment; if the production manageme...

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Application Information

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IPC IPC(8): C12N1/20A23K1/16C12R1/125
Inventor 许云鹤王铁良刘秀萍唐峰唐雨顺
Owner 辽宁凯为生物技术有限公司
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