Shrimp-crab layered and latticed breeding method

Abstract

The invention discloses a shrimp-crab layered and latticed breeding method which comprises the following steps: at an egg laying phase of shrimps and crabs, incubating brooding shrimps and crabs in ahung cage with mesh holes, and putting the hung cage into an external incubation tank; moving out juvenile shrimps or juvenile crabs incubated in the incubation tank in a same period into an independent incubation pond, and carrying out on-batch isolated breeding on the juvenile shrimps or juvenile crabs; breeding the juvenile shrimps or juvenile crabs into medium shrimps or medium crabs, and separating and breeding the medium shrimps or medium crabs at different stages according to different development degrees; breeding the medium shrimps or medium crabs into adult shrimps or adult crabs, sorting the shrimps or crabs for another time, separating shrimps or crabs at different development stages in breeding tanks, and breeding 3-5 adult shrimps or adult crabs at a same stage in one breeding tank. According to the method, shrimps or crabs at a same stage are bred together, so that the shrimps or crabs grow tidily, the deshelling time is identical, death caused by mutual killing of the shrimps or crabs can be reduced, and the yield can be increased.

Description

technical field [0001] The invention relates to the technical field of shrimp and crab cultivation, in particular to a method for cultivating shrimp and crabs in layers and compartments. Background technique [0002] Shrimp is a kind of arthropod living in water, belonging to arthropod crustaceans, and there are many kinds. They all have beards, hooked noses, nodular back arches, and hard scaly feet at the tail, which are good at jumping. Crabs are crustaceans of the order Decapod. Shrimp and crabs are all crustaceans, and their outer shells can protect them. Shrimp and crabs have large forefoot and can attack other animals. There is a big commonality in breeding. [0003] When the existing shrimp and crabs are cultured, they are generally cultivated in a large area. In the process of breeding, due to the different developmental degrees of the shrimps and crabs, the growth stages of the shrimps and crabs are different. During the growth process of the shrimps and crabs, th...

AI Technical Summary

Problems solved by technology

[0003] When the existing shrimp and crabs are cultured, they are generally cultivated in a large area. In the process of breeding, due to the different developmental degrees of the shrimps and crabs, the growth stages of the shrimps and crabs are different. Shell, after moulting, the shell of shrimp becomes soft shell, which makes the limbs of shrimp and crabs soft and cannot be protected. Shrimp and crabs are aggressive, and other shrimps and crabs that have not molted will kill each other. Causes the death of shrimp and crabs and reduces the production of aquaculture

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