Method for unloading fry into pond
A technology for fish fry and fish tank, which is applied to the field of unloading and transporting fish fry into the pond, can solve the problems of large damage to fish, heavy manual handling labor, aggravated death, etc. Reduce stress response
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[0043] (1) The live fish cart carries coho salmon fry with a weight of 30g, arrives at the workshop door of the farm, opens the lid of the fish tank, and uses a hand-held dissolved oxygen meter to measure the water temperature and dissolved oxygen in the fish tank. The water temperature is 10°C and the amount of dissolved oxygen in water 15mg / L, the fry swim normally, without turning over, floating head and other bad conditions; the live fish truck has its own pure oxygen aeration to keep working normally, and start unloading after ensuring that there is no abnormality.
[0044] (2) Use a submersible pump to draw water from the breeding pond and pump it into the fish tank. The water temperature in the breeding pond is 15°C, and then slowly open the bottom valve of the fish tank from small to large to drain water until the water body in the original tank is completely replaced; The water temperature difference between the incoming water and the fish tank is large (5°C), so set a...
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