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Application of astragalus polysaccharide to preparation of silage

A technology of astragalus polysaccharide and silage, which is applied in the application, animal feed, animal feed and other directions, can solve problems such as no public use, and achieve the effects of improving quality, reducing mass use, and improving production performance.

Inactive Publication Date: 2013-04-03
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Astragalus polysaccharides are often mixed with powder to improve the immunity of livestock and poultry, but the use of astragalus polysaccharides as a leguminous forage silage additive and its application in the preparation of silage has not been reported at home and abroad, nor has there been any public use

Method used

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  • Application of astragalus polysaccharide to preparation of silage
  • Application of astragalus polysaccharide to preparation of silage
  • Application of astragalus polysaccharide to preparation of silage

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Example 1: Adding 0.001-0.004% of astragalus polysaccharide to prepare alfalfa silage

[0036] 1. Preparation of Leguminous Grass Silage Additives

[0037] Accurately weigh 100 mg of astragalus polysaccharide (dry weight), add 100 g of water to dissolve it fully, and obtain 100% astragalus polysaccharide stock solution (mass concentration is 1 mg / mL), store it in a refrigerator at 4 °C, and the 100% astragalus polysaccharide stock solution is ready For silage additives.

[0038] 2. Preparation of alfalfa silage with astragalus polysaccharide as an additive of leguminous forage silage and its effect detection

[0039] 1. Preparation of Algonquin alfalfa silage

[0040] The silage additive of step 1 is added to Algonquin alfalfa silage according to the proportion of astragalus polysaccharides being 0.001%, 0.002% and 0.004% of the fresh grass of Algonquin alfalfa, and the Algonquin alfalfa silage is prepared. The specific method as follows:

[0041] Take the fresh Alg...

Embodiment 2

[0088] Example 2: Adding 0.005% of astragalus polysaccharide to prepare alfalfa silage

[0089] 1. Preparation of alfalfa silage

[0090] The silage additive in Step 1 of Example 1 was added to Medicago mellifera at a ratio of 0.005% of the fresh grass of Medicago sativa with astragalus polysaccharide to prepare silage. Labeled as Astragalus polysaccharide IV.

[0091] Spray the aqueous solution prepared according to the above-mentioned addition amount into 6.6kg of alfalfa fresh grass (water content is 70%), then mix the fresh grass and put it into a 130cm×22cm polyethylene silage bag, and seal it with a SINBO vacuum sealing machine , Carry out silage fermentation at room temperature (25-38°C). Put it at room temperature, and then take samples during silage and 1, 3, 5, and 7 days after opening (60 days after silage) for laboratory analysis, mainly analyzing crude protein, ammoniacal nitrogen, neutral detergent fiber, acid washing Fiber, pH, lactic acid and Lactobacillus c...

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Abstract

The invention provides application of astragalus polysaccharide to preparation of silage. The proportion of the astragalus polysaccharide in green feed is 0.001%-0.005%; and the green feed with the astragalus polysaccharide is fermented to obtain the silage. The invention further discloses a method for preparing the silage by the astragalus polysaccharide. The method comprises the following steps of: cutting up the green feed and spraying an aqueous solution of the astragalus polysaccharide on the green feed; and filling the green feed obtained in the first step to an ensiling bag, and fermenting the green feel at a room temperature. According to the invention, the astragalus polysaccharide is taken as a legume silage additive to ferment with a legume ensiling material, so that the growth and propagation of lactic acid bacteria can be promoted, and the fermentation quality of the silage can be improved. Compared with a contrast without astragalus polysaccharide, the prepared silage has the characteristics that the content of crude protein is enhanced, the ratio of ammoniacal nitrogen to total nitrogen is reduced, the content of neutral detergent fibers is reduced, the content of acid detergent fibers is reduced, and the content of lactic acid and lactic acid bacteria is higher.

Description

technical field [0001] The invention belongs to the field of animal feed, in particular to a method for using chemical silage. Background technique [0002] As an important part of the feed system, silage is the material basis of animal husbandry and plays an important role in animal husbandry. With the continuous improvement of people's living standards in our country, people's consumption demand for high-quality meat and milk is constantly increasing. In order to maintain good meat and milk quality, it is necessary to supply high-quality silage in a balanced manner throughout the year, especially for high-yield dairy cows. Silage has become an indispensable ingredient in the diet. [0003] In silage, leguminous forage has high protein content and is a high-quality forage grass, but it has a high buffer value and low soluble carbohydrate content, so it is difficult to silage in a natural state. Due to the inability to strictly control the anaerobic environment required fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/16A23K1/00
Inventor 杨富裕邓海军张蕴薇玉柱陆银徐然周静梁超
Owner CHINA AGRI UNIV
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