Aquatic fry transportation device and keep-alive method thereof

Abstract

The invention relates to the technical field of aquaculture, in particular to an aquatic fry transportation device and a keep-alive method thereof. The aquatic fry transportation device comprises a storage device, an oxygen supply device and a circulating water quality regulation and control device, wherein the storage device comprises a transportation storage box and a feeding pond, and the transportation storage box comprises a box body, a sealing cover plate and a cooling device; the oxygen supply device comprises a pure oxygen bottle, an oxygen increasing disc, an air adjusting valve and an oxygen conveying pipeline; and the circulating water quality regulation and control device mainly comprises a floating structure, a water conveying structure and an overflow structure, the water conveying structure comprises a water pumping pipe, a water pump and a water conveying pipe, and the overflow structure comprises an overflow pipe, a water filtering net and an overflow valve. In the transportation process, a water body environment which is appropriate in temperature and water quality and maintains oxygen supply is provided for aquatic fries, after the aquatic fries are transported to a destination, the environmental conditions of two spaces can be gradually improved to tend to be the same, and therefore the aquatic fries are lightly, slowly and safely transited to the feeding pond from the transportation storage box in a stress-free mode, and the survival rate of the aquatic fries is improved to the maximum extent.

Description

technical field [0001] The invention relates to the technical field of aquaculture, in particular to a transport device for aquatic seedlings and a method for keeping them alive. Background technique [0002] Aquatic seedlings such as water flower seedlings refer to the fertilized eggs produced by fish. After passing through artificial running water and imitating ecological environment, under the conditions of appropriate water temperature, dissolved oxygen, and water quality, after an appropriate time, the eggs hatch out of the membrane and develop into flat eggs. Swimming larvae with a body length of less than 1.3 cm. Because the water flower seedlings are very immature, the fish body is as small as a hair, and are sensitive to external stimuli, so the requirements for the cultivation of water flower seedlings are very high. However, the survival rate of water flower seedlings is relatively high under the current conditions. Low. [0003] In order to improve the survival ...

AI Technical Summary

Problems solved by technology

In the prior art, when transporting the water flower seedlings, the water body and the water flower seedlings are stored in bags with unshaped plastic bags, which has many defects. On the one hand, because the shape of the plastic bags is not stereotyped, the shape of the bottom after filling water is generally in the shape of Arc-shaped, the water flower seedlings are easy to get together in this environment. If the transportation time is long, it will easily cause the water flower seedlings to have a small space for movement and be injured after colliding with each other, thus damaging the quality of the water flower seedlings and reducing the survival rate; In the process of time transportation, if there is no fresh oxygen input supply for the water flower seedlings, the carbon dioxide produced by the water flower seedlings' respiration inside the plastic bag will gradually increase, gradually changing the pH value of the water, resulting in a decrease in water quality, which will also seriously reduce the survival rate of the water flower seedlings; In the third aspect, after the transportation is in place, the feeding environment needs to be replaced to expand the activity space of the water flower seedlings. During the replacement process, if the conditions of the two feeding environments are not adjusted, resulting in a large difference in environmental conditions before and after the replacement, then directly The low stress response ability of the water flower seedlings will affect the mental state of the water flower seedlings, which will eventually affect the appetite of the water flower seedlings and greatly affect the survival rate

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