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Finless eel high-density recirculating aquaculture device and water quality regulation and control method thereof

A circulating aquaculture, high-density technology, applied in the field of freshwater aquaculture, can solve problems such as low utilization rate of aquaculture ponds, rice field eel breeding volume cannot meet market demand, and high water quality requirements, so as to reduce environmental pressure, high utilization rate, and high-efficiency aquaculture Effect

Inactive Publication Date: 2020-08-25
SUQIAN AGRI SCI RES INST JIANGSU ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the utilization rate of the breeding ponds for rice field eel farming is low, and the breeding volume of rice field eels cannot meet the market demand, and high-density rice field eel farming has higher water quality requirements

Method used

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  • Finless eel high-density recirculating aquaculture device and water quality regulation and control method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A high-density circulating aquaculture device for rice field eel, the device includes a culture unit and a water treatment unit; the culture unit includes a culture body 1 with an upper opening, and a water pump 4 is built in the culture body 1; the water treatment unit is arranged from top to bottom The water treatment upper layer 12, the water treatment middle layer 13 and the water treatment lower layer 14 are included in sequence; the water pump 4 pumps the water in the culture unit to the water treatment upper layer 12 of the water treatment unit, so that the water body passes through the water treatment upper layer 12, water treatment The middle layer 13 and the lower layer 14 are treated with water, and the treated water returns to the culture unit.

[0027] The attachment hanger 2 is built into the culture unit, and a plurality of black mesh bags 3 are tied on the attachment hanger 2, so as to provide a suitable dark environment that is not easy to injure the ric...

Embodiment 2

[0035] Such as figure 1 As shown, a high-density circulating aquaculture device for rice field eel uses a plastic vat with a radius of 50cm-70cm (the radius of the barrel is 50cm-70cm, and the area is about 0.8㎡-1.5㎡) as the main body 1 for cultivation, and the inside is 10kg-70cm. The density of 15kg / m³ puts eel species with a specification of about 25g-30g / tail, and feeds the bait normally; 8-10 black mesh bags 3 of plastic material with opaque and smooth surface on the attachment hanger 2 are provided for the eel Habitat, hidden places; aquaculture water is pumped to the water quality treatment unit by 80w water pump 4, the water treatment upper layer 12, the water treatment middle layer 13 and the water treatment lower layer 14 are a series structure, and the water quality treatment unit upper layer 12 and the bottom of the middle layer 13 have small holes so that The aquaculture water flows into the lower layer; the aquaculture water first passes through the upper sponge...

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Abstract

The invention provides a finless eel high-density recirculating aquaculture device and a water quality regulation and control method thereof. The device comprises a culture unit and a water treatmentunit, the culture unit comprises a culture main body with an opening in the upper part, and a water pump is arranged in the culture main body; the water treatment unit sequentially comprises a water treatment upper layer, a water treatment middle layer and a water treatment lower layer from top to bottom; and the water pump pumps water in the culture unit to the water treatment upper layer of thewater treatment unit, so that the water body sequentially passes through the water treatment upper layer, the water treatment middle layer and the water treatment lower layer, and the treated water body flows back to the culture unit. The invention discloses a finless eel breeding device and method which are low in cost, high in density, low in energy consumption, high in purification efficiency and environmentally friendly.

Description

technical field [0001] The invention belongs to the technical field of freshwater aquaculture, and in particular relates to a high-density circulating aquaculture device for rice field eels and a water quality control method thereof. Background technique [0002] eel ( Monopterus albus ), also known as eel, squid without scales, etc., has attracted much attention as an emerging freshwater economic fish in my country because of its delicious meat and rich amino acids and vitamins. Due to artificial overfishing, excessive spraying of pesticides, and water pollution caused by industrialization, the wild resources of ricefield eels have been increasingly scarce, and some areas are on the verge of extinction. The development of artificial breeding of ricefield eels has broad prospects. [0003] The artificial breeding device of rice field eel is mainly based on net cages at present, and the patent number is CN01133661.7, a kind of rice field eel ecological cage culture method, t...

Claims

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Application Information

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IPC IPC(8): A01K63/00A01K63/04C02F9/14C02F101/30
CPCA01K63/003A01K63/045C02F9/00C02F1/001C02F1/283C02F3/32C02F3/34C02F2101/30C02F2301/08C02F2203/006C02F2305/06
Inventor 叶建勇覃宝利单金峰丁辰龙周文宗
Owner SUQIAN AGRI SCI RES INST JIANGSU ACAD OF AGRI SCI