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Collective breeding apparatus and its use

A technology for picking and picking seedlings, which is applied in the field of picking devices, can solve problems such as success or failure, and achieve the effects of accelerating growth, facilitating management and operation, and improving survival rate

Inactive Publication Date: 2004-12-08
INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Improper intermediate breeding techniques often lead to the success or failure of artificial seedling cultivation of Philippine clams
So far, there have been no reports of large-scale fully artificial cultivation of tidal flat shellfish using incubators for seedling picking and intermediate breeding

Method used

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  • Collective breeding apparatus and its use
  • Collective breeding apparatus and its use

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Experimental program
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Effect test

Embodiment

[0028] Breeding device: tray 1 structure, bottom has hole 2, liner screen 4, fine sand 3 is laid on the screen; wherein: the aperture of the bottom of the tray is 5-7mm (7mm in this embodiment), and the density is 1500 / square meter; the fine sand diameter is 0.5~1mm (the present embodiment is 1mm);

[0029] The main body of the incubator is a rectangular non-toxic polyethylene plastic tray; the outer diameter of the upper opening is 360mm, the inner diameter side length of the lower part is 320mm; the upper outer diameter opening of the short axis is 280mm, and the inner diameter side length of the lower part is 240mm; the effective use area 0.0884m 2 Disc height 40mm; In the tray, a polyethylene screen sheet is placed flat, with an aperture of 40-60 mesh (60 mesh in the present embodiment), cut into a rectangle, with a long side of 450mm and a short side of 350mm.

[0030] Applied to seedling picking: Philippine clams are selected from the buried living tidal flat shellfish...

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Abstract

An efficient collecting-breeding device for the sepultate shoal mussel is a tray with perforated bottom (1200-1800 holes / sq.m), internal netted liner, and fine sand spread on said netted liner. It can be horizontally arranged in the mussel minnow collecting pool, where it is used as the carrier of mussel minnow for growing them. Its advantages are high survival rate and high growth speed.

Description

technical field [0001] The invention relates to high-efficiency seedling picking and intermediate breeding technology for buried life-type tidal flat shellfish such as Ruditapes philippinarum (Adams et Reeve), in particular to an incubator and its application. Background technique [0002] Seedling picking and intermediate rearing technology are important technical links in the artificial seedling technology of buried tidal flat shellfish such as Philippine clams. Philippine clam is a species distributed worldwide, and it is distributed in coastal waters from south to north in China. Adults over 2 years old have a shell length of 2.5-4.5 cm. The shell is oval and swollen. The left and right shells are equal. The shell surface has relatively smooth concentric growth lines centered on the top of the shell. The Philippine clam is a buried shellfish. It likes to live in the tidal flat bottom with a sand content of about 80%. Under normal circumstances, it dives into the bottom ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 张国范刘庆连阎喜武孙茂盛阙华勇刘晓
Owner INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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