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De-egg type copepod multifunctional integrated culture system

A breeding system and multi-functional technology, which is applied in the field of multi-functional integrated breeding system of deovoid copepods, can solve the problems of complexity and low efficiency, and achieve the effects of increasing growth speed, fast and accurate cleaning, and convenient operation

Active Publication Date: 2021-01-05
ZHEJIANG OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the mature eggs of most copepod species have a diameter of about 100 microns. In the aquaculture water system, copepod individuals are mixed with eggs, feces, and bait residues. will become complicated and inefficient

Method used

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  • De-egg type copepod multifunctional integrated culture system
  • De-egg type copepod multifunctional integrated culture system
  • De-egg type copepod multifunctional integrated culture system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Such as Figure 1-6 As shown, the deovoid type copepod multifunctional integrated culture system includes a culture container main body 1, a vertical water circulation module, a cleaning and / or water changing combination module are arranged in the culture container main body 1, a vertical water circulation module, a cleaning and / Or between the water changing combination modules, there are also a parent isolation screen layer 3 and an egg isolation screen layer 4 arranged from top to bottom, and the screen mesh of the parent isolation screen layer 3 is larger than the egg isolation screen layer 4 meshes. The present invention uses the vertical water circulation module to realize the transmission of the water flow in the upper layer of the culture container main body 1 to the lower layer of the culture container body 1 to flow upwards, forming a water flow to the egg isolation screen layer 4, avoiding the aggregation of feces produced by eggs and broodstock, and promotin...

Embodiment 2

[0035] The use method of the deovoid type copepod multifunctional integrated culture system of the present invention is as follows: in this embodiment, the mesh of the parent body isolation screen layer 3 is 100 mesh, and the egg particle isolation screen layer 4 is 200 mesh.

[0036] 1) The parent body is placed on the upper water layer, that is, above the parent body isolation screen layer 3. After the parent body mates and lays eggs, the eggs pass through the 100-mesh first screen layer 301 and fall to the middle water layer, that is, the parent body isolation screen layer 3 The position between the sieve layer 4 and the ovum isolation is blocked by the second sieve layer 401 of 200 meshes from falling to the bottom of the culture container main body 1; the feces and bait residues excreted by the parents can penetrate the two-layer sieve and drop to the bottom of the culture container body 1. The bottom of the container can be cleaned by the combination module of cleaning an...

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Abstract

The invention provides a multifunctional integrated farming system for separate-egg copepods, comprising a farming container body; a vertical water circulation module and a cleaning and / or water changing module are arranged in the farming container body; a parent separation screen layer and an egg separation screen layer are arranged between the vertical water circulation module and the cleaning and / or water changing module from top to bottom; the parent separation screen layer has larger mesh than the egg separation screen layer. The system herein has the integrated functions of copepod farming water cleaning and changing, egg collecting and the like, provides effectively increased growth speed for copepods at the premise of reduced physical damage to parents and eggs, and has stable quality and yield of copepods.

Description

technical field [0001] The invention belongs to the technical field of marine biology, and in particular relates to a multifunctional and integrated breeding system for deviating type copepods. Background technique [0002] Copepoda, belonging to Arthropoda, Crustacea, Copepoda subclass. It is a small crustacean with a body length of <3mm. It lives as a planktonic and parasitic animal and is distributed in ocean, freshwater or brackish water. Because it is one of the opening baits for most fish larvae, it is of great significance in aquatic ecosystem food webs and aquaculture. Therefore, the cultivation of copepods under laboratory conditions is the basis for the realization of their biological research. De-egg-type copepods, such as Daphnia Thomsonii and Daphnia pacific, are favored by researchers because the eggs are separated from the mother and easy to collect. [0003] Many copepod farming methods have been proposed in the prior art for cultivating a large number ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/59A01K63/00A01K63/04
CPCA01K63/00A01K63/04A01K61/59Y02A40/81
Inventor 李继姬王斌叶莹莹张建设
Owner ZHEJIANG OCEAN UNIV
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