Saury seedling seed fishing, temporary rearing and transporting technique
A technology for saury and fry, applied in fish farming, application, climate change adaptation and other directions, can solve the problems of poor progress, resource decline and high market price, and achieve the effect of improving the survival rate of transportation and the method is simple
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[0016] Below in conjunction with example the present invention will be further described:
example 1
[0018] From September to October 2007, saury fry caught in Wuwei, Anhui,
[0019] ① Fishing: Use 15-25 mesh polyethylene mesh cloth to make a push net to catch saury fry. The operation should be brisk, and the saury should not be out of the water or tight water (small volume of water squeezes the fish). First remove the towed sludge, inactive swimming, For fish fry with many deformities, thin and injured fry, take healthy swordfish fry, and it is best to control the time within 30 minutes, and pick healthy swordfish fry with water;
[0020] ②Temporary breeding: After the natural river water has been settled (18 hours), add salt (concentration 2.5‰), the temporary breeding temperature is controlled at 26-27°C, the temporary breeding time is less than 1 hour, and the temporary breeding density is 200--400 tails / box (500kg water / box);
[0021] ③Transportation: Use the above-mentioned steps ② to raise the treated natural river water temporarily, and add salt after sedimentati...
Embodiment 2
[0026] From July to August 2007, the saury fry caught in Rugao, Jiangsu,
[0027] ① Fishing: Use 15-25 mesh polyethylene mesh cloth to make a push net to catch saury fry. The operation should be brisk, and the saury should not be out of the water or tight water (small volume of water squeezes the fish). First remove the towed sludge, inactive swimming, For fish fry with many deformities, thin and injured fry, take healthy swordfish fry, and it is best to control the time within 30 minutes, and pick healthy swordfish fry with water;
[0028] ②Temporary breeding: After the natural river water has been settled (18 hours), add salt (concentration 2.5‰), the temporary cultivation temperature is controlled at 26-27°C, the temporary cultivation time is less than 45min, and the temporary cultivation density is 200--400 tails / Box (500kg water / box);
[0029] ③Transportation: In order to prevent the water environment in the big drum from being too different from the growth environment ...
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