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Additive for improving aerobic stability of silage and application method of additive

A technology for silage and stability, which is applied in the field of additives for improving the aerobic stability of silage, can solve the problems of high price, difficult to achieve popularization of production by external addition, and cause fire, etc., and achieve the effect of improving the aerobic stability.

Inactive Publication Date: 2019-07-30
SHENYANG AGRI UNIV
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Problems solved by technology

However, due to the high price of ethanol and other chemical substances, it is difficult to achieve the purpose of popularization of production by adding external sources, and there is a risk of fire caused by high-concentration alcohol. Therefore, it is possible to explore the technology of increasing the alcohol content of silage through biological fermentation. as a research direction

Method used

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Effect test

Embodiment 1

[0015] The high dan grass was mowed at the heading stage and chopped to about 1 cm. The control group and the test group were set up for direct silage. The test group was evenly mixed and added with 5% corn flour and 500g / t of additives. The activity of amylase 6000IU / kg, saccharification enzyme 400IU / kg, xylanase 10000IU / kg. After 40 days of silage, the aerobic stability of the silage was determined by opening the package. The results are shown in the following table, the aerobic stability time of the silage of high Dan grass was prolonged by nearly 18h, and the number of molds was lower than that of the control group, which improved the aerobic stability of high Dan grass (Table 1).

[0016] Table 1. Effects of additives on the aerobic stability of high dan grass silage

[0017] Treatment group The time elapsed when the temperature is 2°C higher than room temperature (h) 48h mold quantity (lg cfu / g) control group 47.3 4.98 Additive group 64.8** 3....

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Abstract

The invention discloses an additive for improving aerobic stability of silage and an application method of the additive. The additive for improving the aerobic stability of the silage is prepared from6-20% of alpha-amylase, 0.4-1.2% of glucoamylase, 10-30% of xylanase and 48.8-83.6% of wheat bran as a carrier. According to the method, increase of the content of an alcohol substance of the silagethrough biological fermentation is taken as a point of view, the additive with an amylase preparation and a cellulase preparation as main substances is developed, a starch substrate and the additive are added during silage preparation, the total sugar amount in the silage is increased, and the situation is avoided that by adding simple sugar, lactification in the initial stage of the silage is greatly promoted, and accordingly alcohol production microorganisms are inhibited untimely; the sugar is slowly released, the alcohol is properly added, the aim of improving the aerobic stability is achieved, and the additive hardly has the bad influence on the silage lactic acid fermentation and fermentation quality.

Description

technical field [0001] The invention relates to an additive for improving the aerobic stability of silage and a method for using the same. Background technique [0002] Silage is the main product type of forage production at present. It is a feed that is processed and preserved by anaerobic processing of green forage under high moisture conditions. Under the current production conditions, silage is a solution to the rainy season harvest of forage and long-term preservation of nutritional value. With irreplaceable processing means. At the same time, silage is also one of the main components of ruminant diets. It is an indispensable source of feed for dairy cows and other ruminants. It can provide green and juicy feed all year round, and has a special sour smell and soft texture. It is rich in nutrition, has the advantages of soft and juicy, fragrant smell, good palatability and high digestibility, and is an important feed guarantee for realizing high-level production of live...

Claims

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Application Information

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IPC IPC(8): A23K30/18
CPCA23K30/18
Inventor 白春生薛艳林孙娟娟玉柱富宏丹赵波白龙
Owner SHENYANG AGRI UNIV
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