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Body color intensifier for large yellow croaker

A technology of body color enhancer and large yellow croaker, which is applied in application, animal feed, animal feed, etc., to achieve good results and improve the effect of body color

Active Publication Date: 2012-09-12
OCEAN UNIV OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a large yellow croaker body color enhancer, which can significantly improve the body color of artificially cultured large yellow croaker, thereby making up for the deficiencies in the prior art

Method used

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  • Body color intensifier for large yellow croaker
  • Body color intensifier for large yellow croaker
  • Body color intensifier for large yellow croaker

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Astaxanthin, lutein and canthaxanthin are mixed, and the mass percentages thereof are 30%, 30% and 35% respectively, and a binder with bait is also included.

Embodiment 2

[0024] Astaxanthin, lutein and canthaxanthin are mixed, and their mass percentages are 20%, 40% and 40% respectively.

Embodiment 3

[0026] Mix astaxanthin, lutein and canthaxanthin in a ratio of 1:1:1.

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PUM

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Abstract

The invention relates to a body color intensifier for large yellow croakers. The body color intensifier is prepared from the following components in percentage by weight: 20-45wt% of astaxanthin, 20-45wt% of lutein and 20-45wt% of canthaxanthin. The body color intensifier disclosed by the invention is used as a feed additive used in the artificial compound feed for the large yellow croakers. The additive amount is only 0.01-0.15%, and the body color of the artificially cultured large yellow croakers can be obviously improved after the body color intensifier is used about 8 weeks. Meanwhile, the body color intensifier disclosed by the invention is used together with a large yellow croaker feed prepared by the applicant to obtain a preferable effect.

Description

technical field [0001] The invention belongs to the field of aquatic feed additives, in particular to a body color enhancer capable of effectively improving the body color of cultured large yellow croakers. technical background [0002] Large yellow croaker is one of the three most productive seawater cultured fish in China, with an output of 80,000 tons in 2011. The back and sides of wild large yellow croaker are yellowish brown, the abdomen is golden yellow, the fins are yellow or grayish yellow, and the lips are orange red. Due to the lack of carotenoids that are necessary for the formation of the body color of large yellow croakers and cannot be synthesized by themselves in the bait used for artificially cultured large yellow croakers, the body color of artificially cultured large yellow croakers is seriously degraded, and the body color becomes pale and white. It has affected the quality and market price of artificially cultured large yellow croaker. At present, there...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/18A23K1/16
Inventor 张文兵易新文麦康森
Owner OCEAN UNIV OF CHINA
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