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Green feed storing method

A technology of green feed and silage, which is applied in the preservation method of animal feed raw materials, animal feed, application and other directions, can solve problems such as research reports on silage additives not found, and achieve the effects of reducing losses and improving utilization.

Inactive Publication Date: 2009-05-13
INST OF SUBTROPICAL AGRI CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there is no research report on the selection of silage additives based on the chemical composition characteristics of green feed at home and abroad.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A method for green feed storage, the steps are:

[0022] (1) Divide the corn at the wax maturity stage into leaves, leaf sheaths, stalks and whole corn plants, and measure the chemical composition of each part, and the measurement indicators include CP, NDF and WSC. The above indexes of leaves are 142g / kg, 571g / kg and 53g / kg respectively, the above indexes of leaf sheaths are 62g / kg, 677g / kg and 64g / kg respectively, and the above indexes of stalks are 108g / kg, 601g / kg and 85g / kg, the above indicators of the whole corn stalks are 67g / kg, 626g / kg and 91g / kg respectively.

[0023] (2), set the enzyme preparation (Zhengzhou Century Baichuan Food Ingredients Co., Ltd.) and lactic acid bacteria (Japan SnowBrand Seed) to 4 concentrations, and the 4 concentrations of lactic acid bacteria are respectively 0cfu / g silage and 1×105cfu / g silage , 2×105cfu / g silage and 4×105cfu / g silage; the four levels of enzyme preparation are 0ml / kg silage, 10ml / kg silage, 20ml / kg silage and 40ml...

Embodiment 2

[0029] A method for green feed storage, the steps are:

[0030] (1) Divide the corn at the wax maturity stage into leaves, leaf sheaths, stalks and whole corn plants, and measure the chemical composition of each part, and the measurement indicators include CP, NDF and WSC. The above indexes of leaves are 142g / kg, 571g / kg and 53g / kg respectively, the above indexes of leaf sheaths are 62g / kg, 677g / kg and 64g / kg respectively, and the above indexes of stalks are 108g / kg, 601g / kg and 85g / kg, the above indicators of the whole corn stalks are 67g / kg, 626g / kg and 91g / kg respectively.

[0031] (2), set the enzyme preparation (Zhengzhou Century Baichuan Food Ingredients Co., Ltd.) and lactic acid bacteria (Japan SnowBrand Seed) to 4 concentrations, and the 4 concentrations of lactic acid bacteria are respectively 0cfu / g silage and 1×105cfu / g silage , 2×105cfu / g silage and 4×105cfu / g silage; the four levels of enzyme preparation are 0ml / kg silage, 10ml / kg silage, 20ml / kg silage and 40ml...

Embodiment 3

[0037] A method for green feed storage, the steps are:

[0038] (1) Divide the corn at the wax maturity stage into leaves, leaf sheaths, stalks and whole corn plants, and measure the chemical composition of each part, and the measurement indicators include CP, NDF and WSC. The above indexes of leaves are 142g / kg, 571g / kg and 53g / kg respectively, the above indexes of leaf sheaths are 62g / kg, 677g / kg and 64g / kg respectively, and the above indexes of stalks are 108g / kg, 601g / kg and 85g / kg, the above indicators of the whole corn stalks are 67g / kg, 626g / kg and 91g / kg respectively.

[0039] (2), set the enzyme preparation (Zhengzhou Century Baichuan Food Ingredients Co., Ltd.) and lactic acid bacteria (Japan SnowBrand Seed) to 4 concentrations, and the 4 concentrations of lactic acid bacteria are respectively 0cfu / g silage and 1×105cfu / g silage , 2×105cfu / g silage and 4×105cfu / g silage; the four levels of enzyme preparation are 0ml / kg silage, 10ml / kg silage, 20ml / kg silage and 40ml...

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Abstract

The invention discloses a method for storing green feed, which comprises (1) classifying corns in the wax ripeness stage into leaves, leaf sheaths, stems and corns, and measuring chemical compositions of various parts, with measurement indices of crude protein (CP), neutral detergent fiber (NDF) and water soluble carbohydrate (WSC); (2) preparing enzyme preparation solutions with four concentration gradients and lactobacillus solutions with four concentration gradients, adding enzyme preparation solutions and lactobacillus solutions with different concentration gradients into leaves, leaf sheaths, stems and corns, respectively, and ensiling; (3) analyzing the chemical composition of silage, including pH value, lactic acid, NDF, CP and WSC; (4) mixing silages subjected to the same treatment, and drying at 60-70 DEG C; and (5) determining the type and amount of additives with different chemical composition characteristics, which are added into the green feed in accordance with silage fermentation characteristics and in vitro fermentation characteristics. The inventive method has simple process and easy operation, and can effectively reduce loss of nutrients such as proteins in the green feed and improve the utilization ratio of nutritional ingredients in the green feed.

Description

technical field [0001] The invention belongs to the field of feed storage, and more specifically relates to a method for storing green feed, which is suitable for silage of various green feeds. Background technique [0002] Green feed is an important feed resource for ruminants. However, the supply of green feed is seasonal, so green feed must be ensiled to ensure a continuous supply throughout the year. The essence of silage is that lactic acid bacteria use WSC as a substrate to ferment lactic acid, reduce the pH value of green feed, stop microbial activity, and achieve the purpose of preserving feed nutrients. At present, the main silage additives include lactic acid bacteria and cellulase preparations, and the mechanisms of action of lactic acid bacteria and cellulase preparations are different. Lactic acid bacteria directly use WSC in green feed for lactic acid fermentation, and cellulase preparations first decompose crude fiber to produce WSC for lactic acid bacteria f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K3/03A23K30/18
Inventor 孙志洪谭支良汤少勋
Owner INST OF SUBTROPICAL AGRI CHINESE ACAD OF SCI
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