Land culture method for tuna

A farming method and tuna technology, applied in fish farming, application, climate change adaptation and other directions, can solve the problems of different conditions, environments and facilities, and have few lessons for reference, and achieve easy fishing and fresh-keeping processing, body shape Large, difficult to catch effect

Inactive Publication Date: 2016-07-06
YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although there are successful cases of tuna farming in foreign countries, they all belong to cage farming in sea areas, and the conditions, environment and facilities are different from land farming, so there is not much to learn from.

Method used

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  • Land culture method for tuna

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Embodiment 1

[0016] A method for aquaculture of bluefin tuna on land, which includes juvenile fish aquaculture period, adult fish aquaculture period and fish fingerling aquaculture period; the aquaculture water quality conditions are controlled at water temperature of 15-28°C, salinity of 27-33, and controlled water flow velocity of 2cm / s , the dissolved oxygen content is above 10ppm, and the ammonia nitrogen content is lower than (0.1~0.4)×10 -6 mg / L, the content of nitrite is lower than (0.005~0.1)×10 -6 mg / L;

[0017] Every October in the natural sea area, wild bluefin tuna fry with a size of 1-2 kg are caught. After short-term temporary breeding, domestication, and bait transfer in sea cages, they are transported to land breeding ponds by live fish boats. Farmed to commercial fish or bred to become breeding fish.

[0018] During the breeding season of tuna, use a high-pressure water gun to clean the elliptical circular runway cement pool, inject breeding water to a depth of about 8 m...

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Abstract

The invention discloses a land culture method for tuna, and belongs to the field of aquaculture. Due to the fact that land culture of the tuna is different from cage culture, culture conditions and density, the bait type and the feeding mode corresponding to land culture are provided, and therefore the aim of successfully culturing the tuna on the land is achieved.

Description

technical field [0001] The invention belongs to seawater fish breeding technology, and in particular relates to a tuna breeding method on land. Background technique [0002] Bluefin tuna Thunnushynnus belongs to Perciformes, Scombroidei, Scombridae, and Thunnus. Distributed in the vast tropical, subtropical and temperate waters of the Pacific Ocean, the Atlantic Ocean, and the Indian Ocean. In my country, it is mainly distributed in the South China Sea. It is an ocean swimming fish with a speed of 70 kilometers per hour. Bluefin tuna is rich in nutrients such as DHA, EPA, nucleic acid, and multivitamins. It has high nutritional value, delicious meat, and smooth taste. It is known as the "King of Tuna". It is large in size and fast in growth, and has broad breeding prospects. . [0003] Bluefin tuna is a high-quality seawater fish. Due to its fast swimming speed, large size, rapid growth, and ecological and physiological characteristics that require sufficient oxygen supply...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCA01K61/00Y02A40/81
Inventor 陈超李炎璐于宏孙曙光邵彦翔张春禄张梦淇王鲁
Owner YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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