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Feed additive for female pseudosciaena crocea as well as preparation method and application of feed additive

A feed additive, a technology for large yellow croaker, which is applied in the application, animal feed, animal feed and other directions, can solve the problems of increased mortality of farmed fish, excessive development of female large yellow croaker gonads, and decreased yield.

Active Publication Date: 2020-10-23
FUJIAN AONONG BIOLOGICAL TECH GRP CO LTD +3
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] However, the common cage culture mode will lead to the rapid development of the gonads of large yellow croaker females. Farms (households) have found that some female fish can see abdominal swelling when they weigh about 200g.
In the process of gonad development in fish, the energy produced by fish body metabolism is mainly consumed in the growth of sex cells, and the protein and fat content in muscle and liver starts to grow rapidly from sex cells to continue to decrease until sex cells are discharged, seriously Affects its normal growth, leading to a decline in production; in addition, female fish that mature before the reproductive season will die due to conditions that cannot spawn, which will increase the mortality of farmed fish and bring huge economic losses to the breeding of large yellow croaker females

Method used

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  • Feed additive for female pseudosciaena crocea as well as preparation method and application of feed additive

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preparation example Construction

[0037] In addition, the present application also provides a preparation method of the feed additive for female large yellow croaker, for example, may include the following steps: mixing Chinese herbal medicine preparation, resveratrol and carrier according to the proportion. Specifically, the Chinese herbal medicine preparation, resveratrol and carrier can be mixed step by step in sequence.

[0038] In an optional embodiment, the preparation method of the Chinese herbal medicine preparation may include: pulverizing and mixing the rhubarb, the coptis and the licorice.

[0039] Among them, ultrafine pulverization can be used for pulverization. After crushing, it can pass through a 100-120 mesh sieve.

[0040] In an optional embodiment, dried rhubarb, rhubarb rhizome and licorice are also included before crushing.

[0041] For reference, the drying temperature of rhubarb, coptis and licorice can be 60-65°C, such as 60°C, 62°C or 65°C, etc., and the drying time can be 8-9h, such...

Embodiment 1

[0048] This embodiment provides a feed additive for large yellow croaker female fish. In parts by weight, every 100 parts of feed additive for large yellow croaker female fish contains 10 parts of Chinese herbal medicine preparation and 0.5 part of resveratrol, and the balance is sepiolite. Among them, the raw materials of the Chinese herbal medicine preparation are composed of rhubarb, coptis and licorice in a weight ratio of 4:2:1.

[0049] The preparation of above-mentioned large yellow croaker female fish feed additive comprises:

[0050] Mix rhubarb, coptis, and licorice, place them in an oven at 60°C, dry them for 8 hours, and pass through a 100-mesh sieve after ultrafine grinding to obtain a Chinese herbal medicine preparation.

[0051] The Chinese herbal medicine preparation is mixed step by step with resveratrol and sepiolite according to the ratio to obtain the feed additive for large yellow croaker female fish.

Embodiment 2

[0053]The difference between this example and Example 1 is only that: every 100 parts of large yellow croaker female feed additive contains 15 parts of Chinese herbal medicine preparation, 1.5 parts of resveratrol, and the balance is sepiolite.

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Abstract

The invention discloses a feed additive for female pseudosciaena crocea as well as a preparation method and application of the feed additive, and belongs to the technical field of pseudosciaena croceafeeds. Every 100 parts of the feed additive comprises the following components in parts by weight: 10-20 parts of a Chinese herbal medicine preparation, 0.5-2.5 parts of resveratrol and the balance of a carrier, the raw material of the Chinese herbal medicine preparation comprises rheum officinale, rhizoma coptidis and liquorice. According to the feed additive disclosed by the invention, rheum officinale, rhizoma coptidis, liquorice and resveratrol are matched to be used for breeding the female pseudosciaena crocea, the gonad index of the female pseudosciaena crocea can be effectively reduced, the good effect of inhibiting gonad development of the female pseudosciaena crocea is achieved, the weight gain rate and the survival rate of the female pseudosciaena crocea can be increased, and breeding benefits are greatly improved. The preparation method of the feed additive is simple and rapid, and industrial production can be achieved.

Description

technical field [0001] The invention relates to the technical field of large yellow croaker feed, in particular to a feed additive for large yellow croaker female fish and its preparation method and application. Background technique [0002] Large yellow croaker is one of the most important economic fish in the southeast coast of my country, and it is also the marine fish with the highest aquaculture output in my country. It is widely favored by consumers in domestic and foreign markets. At present, almost all female large yellow croakers in the market are cultured artificially. Since the cost and risk of common cage culture are relatively low, the most common mode of culture in offshore cages is the common cage culture. [0003] However, the common cage culture mode will cause the gonads of large yellow croaker females to develop too fast. Farms (households) have found that some female fish have abdomen swelling when they weigh about 200g. In the process of gonad developme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K50/80A23K10/30A23K20/111A23K20/28A01K61/10
CPCA23K50/80A23K10/30A23K20/111A23K20/28A23K20/24A01K61/10Y02A40/81
Inventor 王丽娜周盛昌李同刚李品宁孙陆宇吴有林
Owner FUJIAN AONONG BIOLOGICAL TECH GRP CO LTD
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