Method for artificial fry nursing of yellow porgy

A yellow bream, artificial technique for fish farming, applications, climate change adaptation, etc.

Inactive Publication Date: 2006-03-22
EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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Problems solved by technology

[0003] The present invention needs to solve the technical problems of domestication, overwinter

Method used

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Embodiment Construction

[0006] The present invention utilizes single-layer and three-layer barbed nets to capture 1 to 2-year-old wild yellow sea bream live bodies in the operating sea area with a water depth of 100±5m. After the medicated bath, put in 12m 2 ×1.0m indoor pool, the pool was covered with black woven nets, in order to make the yellow bream open as soon as possible, the shelled shrimp was used as bait in the early stage, and a small amount of small shrimp was used as bait. Shrimp with shells are fed together, and gradually domesticated until all are fed with chilled fish; overwintering pool water uses electric heating rods or hot water boilers to adjust the temporary water temperature to 15-16°C to survive the winter smoothly, and the water temperature in summer is ≤28°C. Shrimp ponds or net cages in sea areas can be used to make the water temperature in the breeding area ≤ 28°C and it is safe to spend the summer; the yellow snapper that has been temporarily raised for one year can be fe...

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Abstract

The artificial yellow porgy fry nursing method relates to yellow porgy fry nursing technology, and solves the technological problems of yellow porgy development in different stages. The artificial yellow porgy fry nursing process includes sterilizing live yellow porgy; raising sterilized yellow porgy in pond covered with black net via feeding first with no-shell shrimp as bait, fresh small fish and shrimp, and fish meat; maintaining water in 15-16 deg c in winter and not higher than 28 deg c in summer; feeding with razor clam, squid and squid gonad with added vitamin E and vitamin C after raising in pond for one year, and injecting LHRH-A3 and LHRH-A2+DOM to induce spawning; hatching fertilized egg at 16-26 deg c, and feeding fry of 3-day over age with rotifer and 21-day over fry with water flea, changing partial water, adding antiseptic and maintaining water temperature in 25 deg c to obtain fry in 45 days. The present invention is suitable for artificial rising of yellow porgy.

Description

Technical field: [0001] The invention relates to fish breeding technology for seawater culture, especially the artificial seedling raising technology for yellow sea bream. Background technique [0002] Yellow sea bream {Dentex tumifrons(Temminck et Schlegel)} inhabits the water layer at a depth of 80-250m, and it is quite difficult to capture live bodies. At present, no one has conducted special research and reports on it at home and abroad. Due to the different living habits and breeding methods of fish cultured in seawater, the breeding and breeding techniques of other fish species cannot be blindly applied to the culture of yellow sea bream, and a method suitable for artificial culture of yellow sea bream is needed. Contents of the invention [0003] The invention needs to solve the technical problems of domestication, overwintering, oversummering, artificial induced spawning and larval development of wild yellow sea bream. [0004] The technical scheme of the present ...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 夏连军
Owner EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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