Depth-adjustable mud crab breeding cage

Abstract

The invention discloses a depth-adjustable mud crab breeding cage. The cage is cylindrical and mainly includes an outer cylinder, an inner cylinder, an upper cover, and a bottom cover; sieve plates are arranged between the inner cylinder and the outer cylinder; the inner cylinder and the outer cylinder are connected through the sieve plates; the sieve plates divide the space between the inner cylinder and the outer cylinder into culture compartments. A float is arranged in the inner cylinder. The inner cylinder, the outer cylinder, the sieve plates, the upper cover and the lower cover each areprovided with holes. The upper cover is circular, and bait feeding pipes are arranged along the outer edge of the inner cylinder and on the upper cover. The float is a foam float. Mud crabs are resistant to dryness and can active for a long time after leaving water, and need different depth of a water layer at different growth stages and under different physiological conditions. In the present invention, the sieve plates divide the space between the inner cylinder and the outer cylinder into the plurality of compartments, and the mud crabs are put into the compartments for culture. Through adjustment of the number of the floats put into the culture cage, the depth of the culture cage sinking into the water surface is adjusted, so adjustable culture for mud crabs at different growth stagesand under different physiological conditions can be achieved, thereby giving consideration to the life habits of mud crabs.

Description

technical field [0001] The invention relates to a mud crab culture cage, in particular to a mud crab culture cage capable of adjusting depth, and belongs to the technical field of seawater culture. Background technique [0002] The breeding methods of blue crabs are mainly pond culture and cage culture. Because blue crabs are resistant to dry dew, they can leave the water body for a long time when they are looking for food or avoiding an uncomfortable environment, and dry dew is also conducive to the removal of parasites or attached organisms on the body surface of blue crabs, which is beneficial to the healthy growth of blue crabs. Simultaneously, the depth of the water layer and the environment required by blue crabs under different growth stages and physiological states are also different. The existing crab cages are basically layered horizontal crab cages, which are not suitable for the living habits of blue crabs. In order to promote the development of mud crab cages, ...

AI Technical Summary

Problems solved by technology

At the same time, blue crabs require different water depths and environments in different growth stages and physiological states. The existing crab cages are basically layered horizontal crab cages, which are not suitable for the living habits of blue crabs.

There is no report on the device and method of the vertical crab culture cage with adjustable depth at present

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