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Application of lycium barbarum polysaccharide in preparing feed additive for reducing ruminant rumen gas production rate

A feed additive and ruminant technology, applied in animal feed, plant raw materials, applications, etc., can solve the problems of reducing gas production, energy waste, etc., and achieve the effects of reducing output, improving utilization rate, and increasing mass transfer efficiency

Pending Publication Date: 2017-08-01
NORTHWEST A & F UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, the methane gas emitted by ruminants is also a waste of energy
However, there is no relevant report on the application of Lycium barbarum polysaccharides in regulating the rumen fermentation of ruminants to reduce gas production.

Method used

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  • Application of lycium barbarum polysaccharide in preparing feed additive for reducing ruminant rumen gas production rate
  • Application of lycium barbarum polysaccharide in preparing feed additive for reducing ruminant rumen gas production rate
  • Application of lycium barbarum polysaccharide in preparing feed additive for reducing ruminant rumen gas production rate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The preparation of embodiment 1 Lycium barbarum polysaccharide

[0034] (1) Dry the wolfberry raw material, crush it, pass through a 70-mesh sieve, and pass through a supercritical CO 2 Extraction, the extraction pressure is 28MPa, CO 2 The flow rate is 30L / h, the extraction time is 2.5h, the entrainer is 90% (volume fraction) ethanol, and the entrainer dosage is 8% of the weight of the wolfberry raw material (after drying), and the extracted material is the degreased wolfberry granules ;

[0035] (2) Add 10 times the weight of water to the degreased Lycium barbarum granules, and perform ultrasonic extraction. The ultrasonic extraction power is 320W, and the ultrasonic time is 30min to obtain an ultrasonic extraction solution;

[0036] (3) Adding a volume fraction of 70% ethanol solution to the ultrasonic extraction solution for alcohol analysis, the addition of the ethanol solution is 3 times the volume of the ultrasonic extraction solution, the alcohol analysis time...

Embodiment 2

[0038] The preparation of embodiment 2 Lycium barbarum polysaccharide

[0039] (1) Dry the wolfberry raw material, crush it, pass through an 80-mesh sieve, and pass through a supercritical CO 2 Extraction, the extraction pressure is 30MPa, CO 2 The flow rate is 28L / h, the extraction time is 3h, the entraining agent is 95% (volume fraction) ethanol, and the entraining agent consumption is 5% of the weight of the wolfberry raw material (after drying), and the extracted material is the degreased wolfberry granules;

[0040] (2) Add 12 times the weight of water to the degreased Lycium barbarum granules, and perform ultrasonic extraction. The ultrasonic extraction power is 400W, and the ultrasonic time is 20min to obtain an ultrasonic extraction solution;

[0041] (3) Adding a volume fraction of 75% ethanol solution to the ultrasonic extraction solution for alcohol analysis, the addition of the ethanol solution is 2 times the volume of the ultrasonic extraction solution, the alcoh...

Embodiment 3

[0042] The preparation of embodiment 3 Lycium barbarum polysaccharide

[0043] (1) Dry the wolfberry raw material, crush it, pass through an 80-mesh sieve, and pass through a supercritical CO 2 Extraction, the extraction pressure is 25MPa, CO 2 The flow rate is 32L / h, the extraction time is 2h, the entraining agent is 90% (volume fraction) ethanol, and the entraining agent consumption is 6% of the weight of the wolfberry raw material (after drying), and the extracted material is the degreased wolfberry granules;

[0044] (2) Add 8 times the weight of water to the degreased Lycium barbarum granules, and perform ultrasonic extraction. The ultrasonic extraction power is 350W, and the ultrasonic time is 25min to obtain an ultrasonic extraction solution;

[0045] (3) Adding an ethanol solution with a volume fraction of 80% to the ultrasonic extraction solution carries out alcohol analysis, the addition of the ethanol solution is 3 times the volume of the ultrasonic extraction solu...

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Abstract

The invention discloses application of lycium barbarum polysaccharide in preparing a feed additive for reducing a ruminant rumen gas production rate. The fact that the lycium barbarum polysaccharide can be applied in preparing the feed additive for reducing the ruminant rumen gas production rate is discovered for the first time; 0.1 to 0.5 percent of lycium barbarum polysaccharide is added in a feed for ruminants, so that the output of greenhouse gases such as methane and carbon dioxide in rumens can be remarkably reduced, and the rumens are prevented from producing flatus; meanwhile, the degradation rates of dried matters and crude protein in the feed for the ruminants can be also improved, and the utilization rate of the feed is effectively improved.

Description

technical field [0001] The invention relates to the use of a wolfberry polysaccharide in the preparation of a feed additive for reducing rumen gas production in ruminants. Background technique [0002] Rumination refers to the process in which ruminants such as cattle and sheep return the semi-digested food in the stomach to the mouth for chewing again after a period of eating. Ruminants are animals with rumination phenomenon, usually some herbivores, because the plant fiber in roughage is relatively difficult to digest, so it is necessary to promote the digestion of roughage by rumination. The stomach of most ruminants consists of four parts: rumen, reticulum, omasum, and abomasum. Among them, the rumen is the first stomach of ruminants such as cattle and sheep. The feed eaten by ruminants first enters the rumen. In the rumen, the feed goes through the processes of rumen fluid moistening, cutting, physical mixing and rumen microbial fermentation. Molecules are degraded in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K50/10A23K20/163A61K31/715A61P1/14C08B37/00
CPCA61K31/715A61K36/185C08B37/0003C08B37/006Y02P20/54Y02P60/22
Inventor 曹阳春姚军虎王腊梅李宗军蔡传江徐秀容王砀砀张涛赵聪聪任豪
Owner NORTHWEST A & F UNIV
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