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Complex fungicide for improving feed fiber degradation rate and positively regulating rumen fermentation propionic acid generation as well as application thereof

A compound bacterial agent and positive regulation technology, which is applied in the field of livestock and poultry feed, can solve the problems such as the inability to achieve directional regulation and control of the production ratio, and achieve the effect of promoting energy utilization efficiency and improving fiber degradation rate

Inactive Publication Date: 2014-04-02
CHINA AGRI UNIV
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

However, when some of the above-mentioned forage microorganisms are added to the feed alone, although the digestibility can be improved to varying degrees, it is impossible to achieve targeted regulation of the production ratio of non-gluconeogenetic precursors acetic acid and butyric acid to the gluconeogenetic precursor propionic acid in the rumen ( NGR)

Method used

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  • Complex fungicide for improving feed fiber degradation rate and positively regulating rumen fermentation propionic acid generation as well as application thereof
  • Complex fungicide for improving feed fiber degradation rate and positively regulating rumen fermentation propionic acid generation as well as application thereof
  • Complex fungicide for improving feed fiber degradation rate and positively regulating rumen fermentation propionic acid generation as well as application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0018] Application effect analysis of compound microbial agent on dietary rumen microbial fiber degradation and gluconeogenesis precursor generation under the condition of high coarse material ratio

[0019] Three feed microorganisms, Bacillus subtilis (hereinafter referred to as BS), Candida utilis (hereinafter referred to as CU) and Enterococcus faecium (hereinafter referred to as EF), were used as feed microorganisms. 9 (3 3 ) Orthogonal table (Table 1) analyzed, tested and compared the combined effects of the three feed microbial compatibility additions. The bacterial agent of Bacillus subtilis used is light yellow solid powder, the moisture content is not higher than 8%, and the number of viable bacteria is not lower than 2×10 10 cfu / g dry weight; Candida utilis bacterial agent, white solid powder, moisture content not higher than 10%, viable count not lower than 4×10 9 cfu / g dry weight, Enterococcus faecium, white solid powder, moisture content not higher than 8%, viab...

Embodiment 2

[0032] Example 2: Analysis of the application effect of compound bacterial agent on the degradation of dietary rumen microbial fiber and the generation of gluconeogenesis precursors under the condition of low coarse material ratio

[0033] Lactating Holstein cows were used as experimental animals, Leymus chinensis and concentrate (each kilogram of concentrate contains: 404.7 grams of corn flour, 176.6 grams of soybean meal, 65.5 grams of rapeseed meal, 33.3 grams of cottonseed meal, 32.2 grams of expanded soybeans, sugar beet pulp 82.9 grams, 163.3 grams of cottonseed, 11.6 grams of stone powder, 7.2 grams of salt, 14.4 grams of baking soda, and 8.3 grams of premix) were prepared in a 30:70 ratio to prepare a low-coarse material ratio full mixed diet as a diet substrate, using an analytical balance Weigh 0.5 g of the dietary substrate into an anaerobic fermentation bottle. According to Table 1, add the corresponding Bacillus subtilis, Candida utilis and Enterococcus faecium of...

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Abstract

The invention discloses a complex fungicide for improving feed fiber degradation rate and positively regulating rumen fermentation propionic acid generation as well as application thereof, belonging to the technical field of livestock and poultry feed. The complex fungicide contains bacillus subtilis, candida utilis and enterococcus faecium. According to the complex fungicide provided by the invention, the fiber digestibility of rumen microbial feed can be obviously improved, the total production amount of total rumen microbial fermentation volatile fatty acids is increased by 21.1 percent, and the positive regulation amount of gluconeogenesis precursor propionic acid production amount is 10.5-11.3 percent. The preparation method is simple and high in operability and is suitable for feed processing in livestock and poultry industry, and the ruminant feed energy utilization efficiency can be obviously improved.

Description

technical field [0001] The invention belongs to the technical field of livestock and poultry feed, and in particular relates to a compound microbial agent for improving the degradation rate of feed fiber and positively regulating the production of propionic acid by rumen fermentation and its application. Background technique [0002] The rumen microorganisms of ruminant livestock can usually convert carbohydrates such as fiber, starch and soluble sugar in the feed into pyruvate through digestion and metabolism, and then enter the tricarboxylic acid cycle to generate acetic acid, propionic acid and butyric acid through different metabolic pathways. Volatile fatty acids (VFAs). For lactating cows, acetic acid is an important precursor in the synthesis of milk fat by the mammary gland. Acetic acid can also be used to synthesize a small amount of glucose and ketone bodies in the body. Most of the acetic acid in the body mainly synthesizes body fat and milk fat through acetyl-Co...

Claims

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Application Information

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IPC IPC(8): A23K1/00A23K1/18
Inventor 杨红建庞德公曹斌斌武甜甜
Owner CHINA AGRI UNIV
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