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Efficient breeding method for cherax quadricarinatus

A breeding method, the technology of red-clawed crayfish, which is applied in the field of red-clawed crayfish farming, can solve the problems of slow growth, no scientific and effective breeding method, and the reduction of juvenile shrimp, so as to achieve good encapsulation, inhibit algae reproduction, and avoid The effect of gathering battles

Active Publication Date: 2022-03-11
舒城县汇德水产科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Red claw crayfish will prey on juvenile shrimp after the eggs hatch into juvenile shrimp, resulting in a decrease in the number of juvenile shrimp as shrimp larvae, and there is no scientific and effective breeding method, and the growth is slow, so it needs to be cultured through suitable breeding containers and methods

Method used

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  • Efficient breeding method for cherax quadricarinatus
  • Efficient breeding method for cherax quadricarinatus
  • Efficient breeding method for cherax quadricarinatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Prepare the culture container: After the culture tank 2 is set on the horizontal frame 8 in the pool 1, the top edge of the culture tank 2 is flush with the top edge of the pool 1; The grid diameter is 0.5cm; the culture tank 2 is provided with a fixed block 3, the distance between the bottom surface of the fixed block 3 and the mesh plate 5 is 6cm, the distance between the top of the fixed block 3 and the edge of the top of the culture tank 2 is 2cm, and the fixed block 3 is a cuboid One side of the fixed block 3 is fixedly connected with the culture tank 2, and a plurality of columnar grooves 6 are arranged in an array on the opposite side. The diameter of the columnar grooves 6 is 4 cm, and the fixed block 3 corresponds to each columnar groove 6 from top to bottom There are several circular holes 4 arranged in an array throughout, and the diameter of the circular holes 4 is 1 cm; water is added to the pool 1, so that the water just covers the upper surface of the fixe...

Embodiment 2

[0033] Prepare the culture container: After the culture tank 2 is set on the horizontal frame 8 in the pool 1, the top edge of the culture tank 2 is flush with the top edge of the pool 1; The grid diameter is 0.8cm; the culture tank 2 is provided with a fixed block 3, the distance between the bottom surface of the fixed block 3 and the net plate 5 is 7cm, the distance between the top of the fixed block 3 and the edge of the top of the culture tank 2 is 2.5cm, and the fixed block 3 is Cuboid, one side of the fixed block 3 is fixedly connected with the culture tank 2, and the opposite side array is provided with several cylindrical grooves 6, the diameter of the cylindrical groove 6 is 4.5cm, and the fixed block 3 corresponds to each cylindrical groove 6 from the top And the bottom is provided with several round holes 4 arranged in an array, and the diameter of the round holes 4 is 1.5cm; add water to the pool 1, make the water just cover the upper surface of the fixed block 3, a...

Embodiment 3

[0037] Prepare the culture container: After the culture tank 2 is set on the horizontal frame 8 in the pool 1, the top edge of the culture tank 2 is flush with the top edge of the pool 1; Mesh diameter is 1cm; Cultivation tank 2 is provided with fixed block 3, and the spacing of fixed block 3 bottom surfaces and stencil 5 is 8cm, and the distance of fixed block 3 tops and culture tank 2 top edges is 3cm, and fixed block 3 is cuboid, One side of the fixed block 3 is fixedly connected with the culture tank 2, and several columnar grooves 6 are provided in an array on the opposite side. The diameter of the columnar grooves 6 is 5 cm, and the fixed block 3 corresponds to each columnar groove 6 from top to bottom. There are several round holes 4 arranged in an array, and the diameter of the round holes 4 is 2 cm; water is added to the pool 1 so that the water just covers the upper surface of the fixing block 3, and a light-shielding plastic plate 7 is placed on the pool 1;

[0038]...

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Abstract

The invention discloses an efficient breeding method for cherax quadricarinatus, and belongs to the technical field of cherax quadricarinatus breeding. In the breeding method, parent shrimps are transferred into a culture tank after carrying eggs, a fixing block is arranged in the culture tank, and a cylindrical groove in the fixing block can allow the eggs to inhabit, so that the eggs are prevented from gathering and fighting, and the death rate is reduced; moreover, residues of the mixed feed can fall off through a net plate at the bottom, cleaning is convenient, and pollution caused by excessive residues is avoided; juvenile shrimps in the belly of the egg-carrying shrimps can enter the water pool through the meshes after being mature and leaving the parent bodies, and adult shrimps are isolated by the mesh plates, so that the adult shrimps are prevented from preying on the juvenile shrimps, and the survival rate of the juvenile shrimps is guaranteed; due to the existence of the round holes, the air permeability of the cylindrical groove can be improved, so that the juvenile shrimps can conveniently flush with water and escape from the adult shrimps, the round holes also have a light-transmitting effect, the culture groove is irradiated by lamplight, and the juvenile shrimps can be conveniently driven to enter the water tank and can be conveniently transferred and cultured by utilizing the light shielding property of the cherax quadricarinatus.

Description

technical field [0001] The invention belongs to the technical field of red-clawed crayfish cultivation, and in particular relates to a high-efficiency cultivation method of red-clawed crayfish. Background technique [0002] Red-clawed crayfish live at the bottom of the habitat, and like to inhabit in hidden objects such as aquatic plants, branches, and rock crevices. This shrimp is nocturnal and does not like strong light. Under normal conditions, it hides in deep water or hidden objects during the day, and rarely moves. Crayfish four spines is a polyphagous animal, and its feeding habits are slightly different in different developmental stages. Adult shrimp eat both animals and plants, mainly plant debris, animal carcasses, and also feed on water earthworms, chironomus larvae, small crustaceans and some aquatic insects. Originally produced in Australia, there are not many domestic breeding. Redclaw crayfish will prey on juveniles after their eggs hatch into juveniles, re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/59
CPCA01K61/59Y02A40/81
Inventor 汤德根霍道安汤德银潘忠斌吕贞
Owner 舒城县汇德水产科技有限公司