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Composite heat stress resisting agent for dairy cow and application thereof

A technology of anti-heat stress agent and compound enzyme preparation, applied in application, animal feed, animal feed, etc., can solve the problems of affecting cell energy metabolism process and energy supply, inhibiting protein synthesis and utilization, and reducing magnesium bioavailability , to achieve the effect of reducing the number of somatic cells, alleviating the impact of dairy cows, and promoting milk production

Active Publication Date: 2014-12-10
NANJING AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Too low magnesium content in dairy cow diets or reduced bioavailability will cause hypomagnesemia in lactating cows, which will affect the energy metabolism process and energy supply of cells, and also inhibit protein synthesis and utilization

Method used

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  • Composite heat stress resisting agent for dairy cow and application thereof
  • Composite heat stress resisting agent for dairy cow and application thereof
  • Composite heat stress resisting agent for dairy cow and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] The selection, treatment and feeding management of experimental animals when the feed is added with different anti-heat stress agents for dairy cows.

[0028] Prepare dairy cow composite anti-heat stress agent (1000g) according to the formula: 20g coated betaine, 10g composite enzyme preparation, 200g potassium chloride, 220g magnesium oxide, and 550g carrier (corn cob powder).

[0029] The coated betaine is provided by Jiangsu Yixing Tianshi Feed Co., Ltd. The content of betaine in the coated betaine is 40%, and it can be prepared by the following preparation method:

[0030] ① Take 100kg of 67.5% pure betaine solution, heat it to 80℃, add it to the mixer, add 89kg 20-30 mesh white carbon black, mix and stir into a solid, then granulate by a granulating machine and dry to obtain the betaine content 42% betaine white carbon black particles 160kg, spare;

[0031] ② Take 5kg of hydroxypropyl methylcellulose and dissolve it with 95kg of ethanol with a pH value of 7 and a concentra...

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Abstract

The invention belongs to the field of production of feed additives and discloses a composite heat stress resisting agent for a dairy cow and an application of the composite heat stress resisting agent. The composite heat stress resisting agent for the dairy cow comprises the following ingredients in percentages by mass: 1-5% of enveloped betaine, 0.5-2% of composite enzyme preparation, 15-25% of potassium chloride, 18-26% of magnesium oxide and 50-60% of carrier. The invention also provides the application of the composite heat stress resisting agent for the dairy cow in preparation of a feed for improving the heat stress resisting performance of the dairy cow, and the heat stress resisting agent is added at the dose of 1% of the feeding amount of fine feed for the dairy cow. The composite heat stress resisting agent can be used for supplementing potassium, magnesium, active methyl and exogenous enzyme, relieving the heat stress of the dairy cow due to high temperature in summer, promoting the lactation of the dairy cow, improving the milk ingredient, improving the immunity of the organism, reducing the number of somatic cells in the milk, and improving the oxidation resistance of the dairy cow; and therefore the composite heat stress resisting agent can achieve the effects of preventing diseases and caring health, and is conductive to the improvement of the health of the dairy cow and the quality of a milk product.

Description

Technical field [0001] The invention belongs to the field of feed additive production, and relates to a dairy cow compound heat stress agent and its application, and specifically relates to a dairy cow compound heat stress agent containing betaine, a compound enzyme preparation, and a potassium-magnesium compound, which is specially used for summer cow heat resistance Production of stress feed. Background technique [0002] The dairy cows raised in my country are mainly Holstein cows, whose biological characteristics are cold tolerance and heat resistance. Heat stress in summer is one of the main problems that plague dairy farms. It is also one of the hot spots in the field of dairy cow research at home and abroad. The technology is applied in the production of dairy cows. The production level of dairy cows in my country is continuously improving. In 2011, the yield of adult cows has reached 4800kg, and the heat stress caused by the high temperature in summer has become increasing...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K1/18A23K1/16A23K1/165A23K1/175
Inventor 韩兆玉李莲周国波王根林闫玉琴
Owner NANJING AGRICULTURAL UNIVERSITY
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