Lepomis macrochirus-bighead carp-water spinach stereoscopic cultivation method based on net cage

A bluegill sunfish and three-dimensional farming technology, which is applied in the field of aquatic product farming, can solve problems such as unfavorable fish farming problems, and achieve the effects of increasing the output rate per unit area, utilizing water body space, and taking ecological benefits into consideration

Inactive Publication Date: 2015-12-09
CHANGSHU INSTITUTE OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] For above-mentioned deficiencies in the prior art, the object of the present invention is to provide a kind of net-cage-based bluegill sunfish-bighead carp-water veggie three-dimensional culture method, solve the problem of fish culture in freshwater waters that is unfavorable for the artificial culture of aquatic animals , and can reduce the negative impact of artificial breeding on natural water bodies

Method used

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the examples, but not as a limitation of the present invention.

[0020] The cage-based three-dimensional culture method of bluegill sunfish-bighead carp-water spinach is operated according to the following points:

[0021] A. Set up deep water cages

[0022] The deep-water net cage is the deep-water polyculture net cage disclosed in Chinese patent document CN203851609U. The deep-water net cage is arranged in the deep water area of ​​the freshwater waters, and the water depth is too shallow. Above 3m is better; the water flow is smooth, the water quality is fresh, sheltered from the wind and facing the sun, and the water area where the flow velocity is within the range of 0.05-0.2m / s and the wind force does not exceed level 5 is better.

[0023] B. Water Quality Management

[0024] Infuse fresh water in an appropriate amount every 2 weeks, and the water change volume is 3 to 5 cm of the height o...

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Abstract

The invention discloses a lepomis macrochirus-bighead carp-water spinach stereoscopic cultivation method based on a net cage. Lepomis macrochirus, bighead carp and water spinach are cultivated together and combined organically to form a stereoscopic ecological cultivation mode of planting the water spinach on the water surface of the deep water type mixed cultivation net cage, cultivating the bighead carp in the middle and upper layer of a water body, and cultivating the lepomis macrochirus in the middle and lower layer of the water body. According to the method, cultivation production potentials of the net cage are fully exploited, space of the water body is fully utilized, the yield in a unit area is effectively increased, and the problem of tail water pollution caused in the current aquaculture process can be well solved.

Description

technical field [0001] The invention relates to a three-dimensional culture method for fish and aquatic plants, in particular to a net cage-based three-dimensional culture method for bluegill sunfish-bighead carp-water spinach and belongs to the technical field of aquatic product culture. Background technique [0002] South China has vast waters and many freshwater waters. However, due to the different ecological environment and geographical structure of the waters, most of the waters themselves are not completely suitable for aquaculture, resulting in a great waste of water resources. The use of net cages to establish artificial ecological breeding systems for aquatic animals and plants can break the boundaries of traditional artificial breeding requirements for water areas, and make full use of a large number of water resources that were originally unavailable for fishery production. In addition, in the traditional freshwater cage culture species, it is generally common to...

Claims

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Application Information

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IPC IPC(8): A01K61/00A01G1/00
CPCY02A40/81A01K61/00
Inventor 韩晓磊韩曜平徐建荣姜波张涛
Owner CHANGSHU INSTITUTE OF TECHNOLOGY
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