Semi-enclosed circulating water system and method of producing large-sized juveniles of giant clams on large scale through same

A circulating water system, semi-closed technology, applied in application, climate change adaptation, fish farming, etc., to achieve the effect of high feasibility, reliable technical support, and easy promotion

Inactive Publication Date: 2019-05-07
SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the team has conquered the breeding technology of giant clam seedlings, how to improve the efficiency of intermediate breeding is a problem worthy of research. Zhang Yuehuan and others disclosed an invention of a method for improving the efficiency of intermediate breeding of giant cla

Method used

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  • Semi-enclosed circulating water system and method of producing large-sized juveniles of giant clams on large scale through same
  • Semi-enclosed circulating water system and method of producing large-sized juveniles of giant clams on large scale through same

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Experimental program
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Effect test

Embodiment 1

[0025] like figure 1 As shown, the semi-closed circulating water system of the present invention includes a water storage tank 1, a circulating pump 3, a temperature control device 4, an open glass tank runway 5, a physical filter device 6 and protein separation through a circulating pipeline 2 which are sequentially connected to each other. Device 7; The open glass cylinder runway is a cuboid glass cylinder (length * width * height=10m * 1.2m * 40cm) of upper end opening.

[0026] The method for large-scale production of giant clam juveniles using a semi-closed circulating water system comprises the following steps:

[0027] a. Seawater treatment: On August 5, 2018, natural seawater was extracted from the sea area of ​​Shangen Town, Wanning Coral Conservation Base, Hainan, and placed in a 500 cubic meter reservoir for sedimentation for 24 hours; Sea grapes and other large algae remove the nutrients in the seawater. After 7 days, the nutrients in the seawater disappear, that ...

Embodiment 2

[0033] like figure 1 As shown, the semi-closed circulating water system of the present invention includes a water storage tank 1, a circulating pump 3, a temperature control device 4, an open glass tank runway 5, a physical filter device 6 and protein separation through a circulating pipeline 2 which are sequentially connected to each other. Device 7; The open glass cylinder runway is a cuboid glass cylinder (length * width * height=20m * 2.0m * 80cm) of upper end opening.

[0034] The method for large-scale production of giant clam juveniles using a semi-closed circulating water system comprises the following steps:

[0035] a. Seawater treatment: On August 6, 2018, natural seawater was extracted from the sea area of ​​Shangen Town, Wanning Coral Conservation Base, Hainan, and placed in a 500 cubic meter reservoir for sedimentation for 24 hours; Sea grapes and other large algae remove the nutrients in the seawater. After 7 days, the nutrients in the seawater disappear, that ...

Embodiment 3

[0041] like figure 1 As shown, the semi-closed circulating water system of the present invention includes a water storage tank 1, a circulating pump 3, a temperature control device 4, an open glass tank runway 5, a physical filter device 6 and protein separation through a circulating pipeline 2 which are sequentially connected to each other. Device 7; The open glass cylinder runway is a cuboid glass cylinder (length * width * height=10m * 1.5m * 60cm) of upper end opening.

[0042] The method for large-scale production of giant clam juveniles using a semi-closed circulating water system comprises the following steps:

[0043] a. Seawater treatment: On August 7, 2018, natural seawater was extracted from the sea area of ​​Shangen Town, Wanning Coral Conservation Base, Hainan, and placed in a 500 cubic meter reservoir for sedimentation for 24 hours; Sea grapes and other large algae remove the nutrients in the seawater. After 7 days, the nutrients in the seawater disappear, that ...

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Abstract

The invention discloses a semi-enclosed circulating water system and a method of producing large-sized juveniles of giant clams on large scale through the same. The semi-enclosed circulating water system comprises a water reservoir, a circulating pump, a temperature control device, an open glass jar track, a physical filter device and a protein separator, which are cyclically communicated througha circulating pipeline; the open glass jar track is a rectangular glass jar with a top opening. The semi-enclosed circulating water system and the method herein have the advantages of high feasibility, high practicality, good popularization convenience, significant timeliness and the like. The method herein allows intermediate cultivation survival rate of the juveniles of giant clams to reach 100%; the growth potential is 50% and above higher than that of a conventional method; intermediate cultivation period is shortened by 100% and above; the labor cost is reduced by 60% and above; large-sized juveniles of giant clams can be produced on large scale; reliable technical guarantee is provided for the fry supply of ornamental aquatics market and the recovery of germplasm resources of Nanhaigiant clams.

Description

Technical field: [0001] The invention belongs to the technical field of shellfish cultivation in marine agriculture, and in particular relates to a semi-closed circulating water system and a method for large-scale production of juvenile giant clams by using the semi-closed circulating water system. Background technique: [0002] For shellfish breeding and breeding, the level of intermediate breeding technology for juvenile shellfish directly determines the number of offspring, the breeding output and its benefits. In my country, most of the intermediate breeding techniques of shellfish seed are bred in sea areas, including hanging scallops, oysters, mussels, clams and razor clam seedlings in tidal flats. At present, intermediate breeding of seedlings in ecological shrimp ponds has also been developed, which can semi-manually control the water quality and bait of shrimp ponds, greatly improving the survival rate of seedlings of tidal flat shellfish such as scallops, oysters, ...

Claims

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Application Information

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IPC IPC(8): A01K63/00A01K63/06A01K63/04A01K61/50
CPCY02A40/81
Inventor 喻子牛张跃环李军张扬周梓华
Owner SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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