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Scallop seedling intermediate culture device and application thereof

A medium-cultivation device and seedling technology, which is applied in the fields of application, climate change adaptation, fish farming, etc., can solve the problems of reduced survival rate and growth speed, unreasonable intermediate cultivation tools, and large mechanical damage of scallop seedlings. Growth speed, increased seawater permeability, and good water flow permeability

Pending Publication Date: 2020-08-28
GUANGDONG OCEAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Bottleneck problems such as low survival rate and slow growth rate during intermediate cultivation of scallops have always plagued the industrialization of this shellfish. The reasons are not only related to breeding technology and breeding environment, but also mainly related to unreasonable intermediate cultivation tools. Research on high survival rate and Growth rate incubator is significant
Therefore, it is very necessary to carry out research on the key technology of intermediate cultivation of scallops. The original traditional medium cultivation device for scallop seedlings is formed by connecting small mesh bags with built-in support rods in series. The internal space is small, and scallop seedlings are crowded and overlapped. The mechanical damage of scallops is large, the survival rate and growth rate are greatly reduced, and the operation is inconvenient. The development of a new type of scallop seedling cultivator is imminent

Method used

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  • Scallop seedling intermediate culture device and application thereof
  • Scallop seedling intermediate culture device and application thereof
  • Scallop seedling intermediate culture device and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0051] Contrast the cultivating process of the scallop medium culture device described in the present invention with the traditional mesh bag cultivating process, and the specific operations are as follows:

[0052] (1) Seedling preparation: On November 30, 2017, the scallop "Zihaimo" hybrid seedlings (specifications: shell length 1-1.5mm, about 800-1000 grains / g) were transferred from the nursery to Sui The scallop breeding base in Jianghong Town, Xixian County is undergoing medium cultivation (the process of cultivating seedlings from shell length of 1mm to 15mm will take about 2 months);

[0053] (2) Medium training equipment: Two kinds of medium training equipment were used for comparison, including "new medium training equipment" and traditional "medium training net bag";

[0054] Medium culture device specifications: width 35cm x length 45cm x height 74cm, composed of 4 built-in plastic sieves and their accessories superimposed, the plastic sieve specifications are width...

Embodiment 2

[0075] Contrast the cultivating process of the scallop medium culture device described in the present invention with the traditional mesh bag cultivating process, and the specific operations are as follows:

[0076] (1) Seedling preparation: On November 20, 2018, the Gulf of Mexico scallop seedlings (specification: shell length 1-1.5mm, about 800-1000 grains / g) were transferred from the nursery to scallops in Jianghong Town, Suixi County Breeding base for medium cultivation;

[0077] (2) Medium training equipment: Two kinds of medium training equipment were used for comparison, including "new medium training equipment" and traditional "medium training net bag":

[0078] Medium culture device specifications: width 35cm x length 45cm x height 74cm, composed of 4 built-in plastic sieves and their accessories superimposed, the plastic sieve specifications are width 35cm x length 45cm x height 20cm.

[0079] Traditional net bag specifications: width 35cm × length 45cm;

[0080] (...

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Abstract

The invention discloses a scallop seedling intermediate culture device and application thereof. The scallop seedling intermediate culture device includes a net bag and an intermediate culture device body. Both the net bag and partition nets have three different meshes of 60 mesh, 40 mesh and 20 mesh, and the intermediate culture device body is composed of 4 plastic screens, 4 partition nets with different meshes, 2 falling bottles and 6 spacers. The scallop seedling intermediate culture device is simple in structure, convenient to operate, large in internal space, and large in scallop seedlingsupporting area; the mechanical damage caused by crowding and overlapping of scallop seedlings is reduced, and the survival rate reaches 76.0%, while the survival rate of a conventional mesh bag is only 27.8%; and moreover, the internal water permeability of an intermediate culture device box body is good, the scallop seedlings can obtain sufficient food and oxygen, the growth speed and uniformity of the scallop seedlings are significantly improved, and the scallop seedling intermediate culture device is an ideal scallop seedling intermediate culture device which is fast in feed, large in consume amounts of oxygen, and fast in growth.

Description

technical field [0001] The invention relates to the technical field of a shellfish intermediate cultivator ("medium cultivator" for short), in particular to an intermediate cultivator for scallop seedlings and an application thereof. Background technique [0002] Scallops belong to the mollusk phylum, Scallopidae, and are important shellfish culture species in my country. The main nutritional component of the edible part of scallops is protein, which is similar to fish and shrimp. It is an important aquatic food that integrates food, medicine and nourishment. Scallops are widely distributed in various sea areas of the world. Also known as sea fan clam, the shells are mostly in the shape of a disc or a circular fan; there are ears on the front and back of the top of the shell, and the two ears are equal or different. Most of the right shells have obvious foot silk holes and thin comb teeth under the front ears of the right shell. Shell mask with radial ribs or concentric fla...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/55
CPCA01K61/55Y02A40/81
Inventor 刘志刚刘晓坤罗泽鑫吴加莹曹楚畑张元苏晓盈姚高友潘铧康
Owner GUANGDONG OCEAN UNIVERSITY
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