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Body color improver for pseudosciaena crocea cultured in net cages and preparation method of body color improver

A technology for cage culture and improver, which is applied in application, animal feed, additional food elements, etc., to achieve the effects of simple preparation method, improved quality and product price, and safe dosage.

Inactive Publication Date: 2018-11-16
INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, many studies have been done on the nutrition of large yellow croaker, such as the requirements of protein, fat, amino acid, fatty acid, vitamins, trace elements, etc., but the research on the effect of nutrition on the body color of large yellow croaker is still rarely reported

Method used

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  • Body color improver for pseudosciaena crocea cultured in net cages and preparation method of body color improver
  • Body color improver for pseudosciaena crocea cultured in net cages and preparation method of body color improver
  • Body color improver for pseudosciaena crocea cultured in net cages and preparation method of body color improver

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The body color improver of the present invention is mainly composed of astaxanthin, zeaxanthin, Ulva powder, vitamin A acetate and vitamin E, and the carrier is zeolite powder. The components and content ranges per kilogram of the improver are: 10g of astaxanthin, 250g of zeaxanthin, 100g of Ulva powder, 25g of vitamin A acetate, 40g of vitamin E, and the rest is zeolite powder.

[0020] The weight of the body color improver accounts for 1% of the feed weight of large yellow croaker.

[0021] Preparation: first crush the raw materials through a 80-100 mesh sieve, and set aside; then fully mix the above crushed raw materials according to the above ratio, so that the uniformity coefficient of variation CV is less than 5%, and the body color for large yellow croaker cultured in cages is obtained. Improver.

Embodiment 2

[0023] The body color improver of the present invention is mainly composed of astaxanthin, zeaxanthin, Ulva powder, vitamin A acetate and vitamin E, and the carrier is zeolite powder. The components and content ranges per kilogram of the improver are: 15g of astaxanthin, 375g of zeaxanthin, 150g of Ulva powder, 37.5g of vitamin A acetate, 60g of vitamin E, and the rest is zeolite powder.

[0024] The weight of the body color improver accounts for 1% of the feed weight of large yellow croaker.

[0025] Preparation: first crush the raw materials through a 80-100 mesh sieve, and set aside; then fully mix the above crushed raw materials according to the above ratio, so that the uniformity coefficient of variation CV is less than 5%, and the body color for large yellow croaker cultured in cages is obtained. Improver.

Embodiment 3

[0027] The body color improver of the present invention is mainly composed of astaxanthin, zeaxanthin, Ulva powder, vitamin A acetate and vitamin E, and the carrier is zeolite powder. The components and content ranges per kilogram of the improver are: 20g of astaxanthin, 500g of zeaxanthin, 200g of Ulva powder, 50g of vitamin A acetate, 80g of vitamin E, and the rest is zeolite powder.

[0028] The weight of the body color improver accounts for 1% of the feed weight of large yellow croaker.

[0029] Preparation: first crush the raw materials through a 80-100 mesh sieve, and set aside; then fully mix the above crushed raw materials according to the above ratio, so that the uniformity coefficient of variation CV is less than 5%, and the body color for large yellow croaker cultured in cages is obtained. Improver.

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Abstract

The invention relates to a feed additive in the aquaculture industry, in particular to a body color improver for pseudosciaena crocea cultured in net cages and a preparation method of the body color improver. Every kilogram of the improver comprises the following components in the content range: 10-20g of astaxanthin, 250-500g of zeaxanthin, 100-200g of ulva lactuca powder, and the balance of zeolite powder. The preparation method comprises the following steps of firstly crushing the raw materials, and performing screening with an 80-100-mesh sieve for standby application; and sufficiently anduniformly mixing the crushed materials in proportion so that the uniformity variation coefficient CV is smaller than 5%, so as to obtain the body color improver for pseudosciaena crocea cultured in net cages. The body color improver disclosed by the invention has the advantages that the body color of the pseudosciaena crocea can be effectively improved, so that the body color of the pseudosciaenacrocea is brighter, yellow and easier to accept by consumers; the total quantity of carotenoid in skins of the large yellow croaker can be effectively increased; the body color improver is convenientto use, and can be directly added to a fish feed or a minced fillet material; the body color improver is safe to use and nuisanceless, and the pseudosciaena crocea bred with the body color improver completely conforms to food hygiene demands; and the body color improver is stable in raw material sources, low in use cost, simple and convenient in making technology, and easy in industrialized popularization.

Description

technical field [0001] The invention relates to a feed additive, in particular to a feed additive capable of improving the body color of large yellow croaker cultured in cages and a preparation method thereof. Background technique [0002] Large yellow croaker (Pseudosciaena crocea) belongs to the genus Pseudosciaenaceae, also known as large yellow croaker, yellow croaker, etc. The artificial breeding of large yellow croaker is mainly concentrated in Fujian and Zhejiang provinces in my country. The breeding mode mainly adopts cage culture, and some of them adopt large seine culture. The large yellow croaker is golden in color, rich in protein, vitamins and trace elements and other nutrients. In addition, its tender meat and good taste are favored by consumers. With the continuous expansion of the breeding scale, the body color of the large yellow croaker cultured in artificial cages becomes lighter and whiter. Compared with the wild large yellow croaker, there is a real pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K10/30A23K20/158A23K20/174A23K20/28A23K50/80
CPCA23K10/30A23K20/158A23K20/174A23K20/28A23K50/80
Inventor 蒋克勇王雷俞其海吴立昕王宝杰刘梅王孟强
Owner INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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