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Feed additive and its preparation method and application

A technology for feed additives and rations, which are applied to feed additives containing lipase and colorants and their preparation, and the application field of feed additives in the skin coloring of three-yellow chickens, to achieve the effects of promoting digestion and absorption, reducing feeding costs and reducing costs.

Active Publication Date: 2015-10-28
ANHUI LEVEKING BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, there is no report about the lipase promoting the deposition of lutein in the colorant in the skin of Sanhuang chicken and improving the skin coloring effect of Sanhuang chicken

Method used

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  • Feed additive and its preparation method and application

Examples

Experimental program
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Effect test

Embodiment 1

[0030] Weigh 200 mg of lipase (based on each kg of basal diet) and 800 mg of natural colorant (based on each kg of basal diet), and then mix the lipase and colorant evenly to obtain the feed additive of the present invention.

Embodiment 2

[0032] Weigh 200 mg of lipase (based on each kg of basal diet) and 900 mg of natural colorant (based on each kg of basal diet), and then mix the lipase and colorant uniformly to obtain the feed additive of the present invention.

Embodiment 3

[0034] Weigh 200 mg of lipase (based on each kg of basal diet) and 1000 mg of natural colorant (based on each kg of basal diet), and then mix the lipase and colorant evenly to obtain the feed additive of the present invention.

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Abstract

The invention discloses a feed additive, a preparation method of the additive and an application of the additive. The feed additive comprises a lipase and a coloring agent; the feed additive can be obtained by uniformly mixing the lipase with the coloring agent. The feed additive disclosed by the invention is beneficial for coloring chicken feet tibias, chest and abdomen skins and back skins and has a high coloring function on the chicken feet tibias; the lipase in the feed additive can prompt the digestion and the adsorption of xanthophyll in the coloring agent to improve the deposition efficiency of the xanthophyll at the chicken feet tibias, the chest and abdomen skins and the back skins and improve the coloring effect, and therefore, the addition amount of the coloring agent is reduced, the cost is reduced; furthermore, due to the adoption of the feed additive, the feed conversion ratio can be improved and the feeding cost is reduced.

Description

technical field [0001] The invention relates to the field of feed additives, in particular to a feed additive containing lipase and a coloring agent, a preparation method thereof, and an application of the feed additive in skin coloring of three yellow chickens. Background technique [0002] Lutein is a kind of carotenoid, which can exist in the form of alcohol, aldehyde, ketone and acid. Lutein is insoluble in water, but soluble in oil and fatty solvents such as methanol, ethanol and petroleum ether. Lutein is a natural functional pigment with high nutritional and practical value. The United States has been extracting lutein from marigolds since the 1970s. It was first added to chicken feed to improve the nutritional value of eggs. Lutein can also be used in cosmetics, feed, medicine, aquatic products and other industries. In the international market, the price of 1 gram of purified lutein is equivalent to 1 gram of gold. Lutein is the main extract of marigold, which is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K1/18A23K1/165A23K1/16
Inventor 袁琨吴广兵罗涛聂新华王剑英张清辉
Owner ANHUI LEVEKING BIOTECH CO LTD
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