Factory-like procambarus clarkii breeding method

A Procambarus clarkii, industrialized technology, applied in the field of breeding, can solve the problems of uneven specifications and large individual differences, and achieve the effect of neat specifications, avoiding individual differences, and ensuring synchronization

Active Publication Date: 2019-03-19
FISHERIES RES INST ANHUI ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the problems in the prior art, the present invention provides an industrialized Procambarus clarkii breeding method, which solves the problems of uneven specifications and large individual differences in the existing Procambarus clarkii shrimp seedlings when they emerge

Method used

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  • Factory-like procambarus clarkii breeding method

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Embodiment 1

[0067] see figure 1 , the present embodiment provides an industrial Procambarus clarkii breeding method, which is applied in a culture system. The breeding system includes a breeding area, a sewage collection area and a mixing area. The mixing area is used to transport the liquid mixed with biofloc to one end of the breeding area. The sewage collection area is used to collect the sewage discharged from the breeding area and purify it and send it to the mixing area. The breeding area, the sewage collecting area and the mixing area are three areas separated in a breeding pond 10 . A plurality of isolation nets 36 arranged in parallel and at equal intervals are set in the breeding area, and the isolation nets 36 divide the breeding area into a plurality of breeding spaces 37 .

[0068] Wherein, the industrialized Procambarus clarkii breeding method of the present embodiment comprises:

[0069] Step 1, according to the male-to-female ratio of 1:1, put the Procambarus clarkii par...

Embodiment 2

[0081] see figure 2 , the cultivation system applied in the industrialized Procambarus clarkii breeding method of the present embodiment is similar to the cultivation system in embodiment 1, the difference is:

[0082] A baffle is arranged in the culture pond 10, and the baffle is arranged along the length direction of the culture pond 10, and divides the culture pond 10 into two independent storage tanks. Among the two storage tanks, the storage tank with a smaller volume is a mixing area, and the storage tank with a larger volume is divided into a breeding area and a sewage collection area by a one-way overflow structure.

[0083] A plurality of aeration pipes 11 are arranged at the bottom of the breeding area, and at least one water inlet pipe 12 is arranged at the water inlet end of the breeding area. Specifically, the number of oxygen increasing pipes 11 may be three, and the three oxygen increasing pipes 11 are arranged in parallel and at equal intervals. The quantity...

Embodiment 3

[0129] see Figure 4 The biofloc separation device used in the industrialized Procambarus clarkii culture method of this embodiment is based on the electronic valve 33 in Embodiment 1, and the electronic valve 33 is used to open or close the second delivery pipe 30 .

[0130] Moreover, the settling cavity of the settling separator 28 is a sealed cavity, and is sealed by a sealing cover 29 . The cross-sectional area of ​​the other end of the first feed pipe 27 is S, and the cross-sectional area of ​​one end of the second feed pipe 30 is S 1 , the cross-sectional area of ​​one end of the return pipe 31 is S 2 ; where S=S 1 +S 2 , to ensure the balance of the ingress and egress of the aquaculture water body in the sedimentation separator 28. In this way, when the aquaculture water body in the sedimentation separator 28 is so large that the sealed cavity is filled, the aquaculture wastewater entering from the first feeding pipe 27 will press the larger biological flocs to be d...

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Abstract

The invention discloses a factory-like procambarus clarkii breeding method which is applied to a breeding system. The breeding system comprises a breeding area, a plurality of separation nets are arranged in the breeding area, and the breeding area is divided into a plurality of breeding spaces by the separation nets. The breeding method includes the steps: placing procambarus clarkii parents intothe breeding spaces according to the male and female proportion of 1:1; breeding mated ovigerous females in the breeding spaces in a temperature control manner; hatching shrimp eggs: separating shrimp seeds from the females and hatching the shrimp seeds into juvenile shrimps in a temperature control manner according to a first mode; washing the shrimp eggs growing to be orange, placing the separated shrimp eggs into a hatching barrel at the temperature of 9-12 DEG C and preserving the separated shrimp eggs according to a second mode; taking out the separation nets and seed shrimps after the shrimp seeds are hatched; breeding the juvenile shrimps until the juvenile shrimps grow into 3-4cm long procambarus clarkii. The breeding speed of the procambarus clarkii can be controlled, so that synchronism of the shrimp seeds is guaranteed, and individual difference caused by different growth speeds of the same batch of shrimp seeds is avoided.

Description

technical field [0001] The invention relates to a breeding method in the technical field of breeding, in particular to a factory breeding method for Procambarus clarkii. Background technique [0002] Procambarus clarkii, commonly known as crayfish, belongs to freshwater economical shrimps, and is widely welcomed by people because of its delicious meat. Procambarus clarkii has a short breeding cycle and high benefits, which are recognized by the majority of farmers. However, the current Procambarus clarkii seedling breeding method is to breed the shrimp under natural conditions after putting in the pond in the pond. Because of the inability to control the synchrony of trait development and mating time of the released Procambarus clarkii species, the size of the shrimp seedlings of Procambarus clarkii is uneven when they emerge, and the individual differences are large. At the same time, the seedlings bred under natural conditions can generally provide seedlings to the marke...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/59A01K63/00A01K63/04A01K63/06
CPCA01K63/00A01K63/042A01K63/045A01K63/047A01K63/065A01K61/59Y02A40/81
Inventor 汪翔宋光同何吉祥崔凯张静陈静吴本丽黄龙张烨佘磊
Owner FISHERIES RES INST ANHUI ACAD OF AGRI SCI
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