Method for artificial hastening spawning of yellow porgy

A technology for artificial induction of labor and yellow snapper, which is applied in fish farming, application, climate change adaptation, etc.

Inactive Publication Date: 2006-06-14
EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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  • Abstract
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Problems solved by technology

[0003] The present invention needs to solve the technical problem of artificial induced spawning of yellow sea bream, and provide technical support for the implementation of the artificial breeding technology of yellow sea bream

Method used

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Examples

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Embodiment Construction

[0006] The technical scheme of the present invention adopts 2-year-old, 3-year-old or more than 3-year-old yellow sea bream broodstock with a body length of 14cm and a body weight of 110g to domesticate in a cage or an indoor cement pond, artificially induce labor, induce spawning, keep the water temperature at 17-20°C, and light The intensity is 1000Lx, the salinity is kept at 34-35‰, and the water is changed 30% every day. The feed is mainly razor clam, small squid, squid gonad and eel feed. E , V C , the daily feeding amount is 6% to 9%, and after 100 to 120 days of cultivation, according to the gonad development in the domestication process of yellow sea bream, artificial hormone drugs are used to induce labor on yellow sea bream. In order to make the broodstock eat and swim normally after hormone injection, To reduce damage, anesthetize the broodstock before each injection of maturation or oxytocin; 3 (LHRH-A 3 ), according to the dosage of 5 μg / kg per unit body weight ...

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Abstract

An artificial echolic method for golden tai includes such steps as choosing two years old golden tai, culturing ever year under a certain condition, feeding zazor clam, young squid, the sex gland of squid, or eel plus VE and VC, exchanging water by 1 / 3 every day, and injecting the prolan after injecting anaesthetic four times at intervals of 10 days. Said prolan is sequentially luliberin A3 for the first injection, and the second injection, and the luliberin A2 another component for the third and the fourth injections.

Description

Technical field: [0001] The invention relates to fish breeding technology for seawater culture, especially the artificial breeding technology of yellow sea bream (Dentexumifrons). Background technique [0002] Yellow snapper is generally only 150 grams, and the individual is small. It inhabits the bottom sea area with a water depth of 80-250m. There are also differences in the yellowfin and black bream in the belt and the red bream and yellow croaker in the middle and upper water layers. Yellow sea bream is a fish with asynchronous ovarian development and spawning in batches. The breeding season is spring and autumn, from March to May and November. The reproduction of various fishes has different physiological and ecological requirements. The types and doses of hormone drugs used in the breeding technology to promote maturation and induce labor are different. The spawning of yellow seabream is not only regulated by sex steroid hormones, but also closely related to environm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 夏连军施兆鸿王建钢陆建学
Owner EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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