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
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[0015] Example 1:
[0016] A method for culturing bluefin tuna on land, which comprises a juvenile fish breeding period, an adult fish breeding period and a fingerling breeding period; the breeding water quality conditions are controlled at a water temperature of 15-28° C., a salinity of 27-33, and a water flow speed of 2 cm / s , the dissolved oxygen content is more than 10ppm, and the ammonia nitrogen content is less 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 kilograms are captured. After short-term temporary cultivation, domestication, bait transfer and other technical work in marine cages, they are transported to onshore breeding ponds by live fish boats. Raised to commercial fish or bred to breed fish.
[0018] During the breeding season of tuna, high-pressure water guns are used to clean the elliptical ring-shaped track-type cement po...
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