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Food conversion method for improving food conversion success rate of juvenile eleutheronema tetradactylum

A technology of four-fingered mackerel and success rate, which is applied in the field of trans-feeding to improve the success rate of juvenile four-fingered mackerel, can solve the problems of low survival rate, low success rate of trans-feeding, unclear technical details, etc. The effect of reducing antifeeding stress and promoting feeding response

Inactive Publication Date: 2014-08-27
EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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Problems solved by technology

However, the overall technical details of this method are not clear, the operation is highly random, and the proportion of animals successfully transferred to food is not high, and the survival rate is low
In the scientific experiment carried out by the present inventor to carry out the feed nutrition research on the four-fingered horsefin juveniles, when the artificial compound feed was transferred to the feed, the success rate of the transfer with reference to the above method was extremely low, which could not meet the experimental requirements.

Method used

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Embodiment Construction

[0014] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0015] The embodiment of the present invention relates to a method for changing food for juvenile four-fingered Spanish finfish, which can reduce the food resistance stress of juvenile fish to bait, make the juvenile fish gradually adapt to changing bait, significantly improve the success rate of changing food, and reduce the mortality rate. When artificially breeding one-year-old four-fingered horsetail juveniles (about 9.05 t...

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Abstract

The invention relates to a food conversion method for improving the food conversion success rate of juvenile eleutheronema tetradactylum. Fresh and alive clam meet juice is made before food conversion feeding, feed is shaken and soaked in the fresh and alive clam meet juice, instant feeding is completed after the feed is soaked, food conversion artificial compound feed is completely fed on the eighth day after food conversion feeding, and food conversion is completed. According to the food conversion method, the clam meat juice is added into the food conversion feed, the good food calling effect on the juvenile eleutheronema tetradactylum is achieved, the food refusal stress of the juvenile eleutheronema tetradactylum on the food conversion feed is remarkably reduced at the initial stage of food conversion, and the obvious ingestion reaction can be generated.

Description

technical field [0001] The invention relates to the technical field of fish re-feeding, in particular to a method for improving the success rate of re-feeding of four-fingered horsefin juveniles (first-year-old juveniles with a total length of about 9.05-12 cm). Background technique [0002] Four-fingered horsefin (Eleutheronematetradactylum), commonly known as Mayou, Zhangtiao (Zhejiang), Lihou (Shandong), etc., belongs to Perciformes, Polynemoidea, and is widely distributed in the northern Indian Ocean and western Pacific Ocean. Four-fingered horsefin is a large fish in warm sea water, mainly inhabits sandy or muddy bottom waters, carnivorous, common caught objects are 30-50cm in length, 800-1300g in weight, and the largest individual can reach 2m in length and 145kg in weight , the largest individual ever seen in the Yangtze River Estuary was 20kg. Four-fingered horsefink has excellent growth performance, and under the condition of pond culture, the weight of the year ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 侯俊利张涛杨刚赵峰庄平高宇
Owner EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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