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Method for preparing dairy cow feed by microbial fermentation

A technology of microbial fermentation and dairy cow feed, which is applied in the field of microbial fermentation to prepare dairy cow feed, can solve problems in the primary germination stage, etc., and achieve the effects of increasing feed intake, improving milk production performance, and scientific and reasonable strain compatibility

Active Publication Date: 2011-07-06
INNER MONGOLIA YOURAN ANIMAL HUSBANDRY CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, the development of biological feed for dairy cow feed is still in its infancy

Method used

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  • Method for preparing dairy cow feed by microbial fermentation
  • Method for preparing dairy cow feed by microbial fermentation
  • Method for preparing dairy cow feed by microbial fermentation

Examples

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Embodiment Construction

[0032] The technology and features of the present invention will be described in detail below through specific examples, but these examples are not intended to limit the protection scope of the present invention.

[0033] The strains used in the examples

[0034] Yeast strains CGMCC As 2.281, CGMCC As2.597, CGMCC As 2.2, CGMCC As 2.159, CGMCC As 2.587, CGMCC As2.617, CGMCCAs2.1882 and Aspergillus strains used in the following examples of the present invention (3 strains of Aspergillus niger CGMCC As3 .3882, CGMCC As3.4304, CGMCC As3.6472 and a strain of Aspergillus oryzae for feed (CGMCCAs3.2068) were commercially obtained from the General Microorganism Center of China Committee for Culture Collection of Microorganisms (CGMCC). Among them, the strains As 2.2, As 2.597, As2.1882, and As 2.587 are Saccharomyces cerevisiae, and the strains As 2.281, As 2.159, and As 2.617 are Candida tropicalis. Their biological characteristics and the time to reach the maximum biomass, cell numb...

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Abstract

The invention relates to a method for preparing dairy cow feed by microbial fermentation, which comprises the following steps of: performing primary culturing on yeast and aspergillus niger, mixing, and performing secondary culturing; fermenting a feed substrate according to a specific ratio, wherein the substrate is prepared by mixing 1 to 3 weight parts of bean pulp, 8 to 10 weight parts of cotton dregs, 6 to 15 weight parts of alcohol meal, 7.5 to 15 weight parts of maize, 25 to 35 weight parts of maize fiber feed, 4 to 8 weight parts of maize peel, 15 to 22 weight parts of bran and 6 to 10 weight parts of ammonium sulfate; and after fermenting, drying and crushing to obtain a feed finished product. The invention also provides dairy cow feed prepared according to the method, which has high crude protein content.

Description

technical field [0001] The invention relates to a method for preparing dairy cow feed by microbial fermentation, in particular to a method for preparing dairy cow feed by selecting high-quality yeast and Aspergillus niger strains and adopting scientific fermentation technology, and the dairy cow feed prepared according to the method . Background technique [0002] In recent years, the dairy farming industry has achieved rapid development in my country. The number of dairy cows in my country increased from 4.265 million in 1998 to 10.63 million in 2004, an average annual increase of 16.4%. However, the overall production level of dairy cows is still relatively low, and the average annual milk production of dairy cows does not exceed 5,000 kilograms, which is far from developed countries. At the same time, the disease control and prevention system of dairy cows is not perfect, resulting in a high incidence of nutritional metabolic diseases and obstetrical diseases of dairy c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/18A23K10/12A23K50/10
Inventor 宋丽华刘大成孙晓智王福慧岳彦
Owner INNER MONGOLIA YOURAN ANIMAL HUSBANDRY CO LTD
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