Water circulation system and method for breeding marine fishes inland

A seawater fish and aquaculture water technology, applied in fish farming, applications, climate change adaptation, etc., can solve problems such as high operating costs, slow growth, and complicated processes, and achieve improved adaptability and growth speed, and strong system comprehensive capabilities , high processing efficiency

Active Publication Date: 2011-01-05
SUZHOU FISHSEEDS BIOLOGICAL TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It mainly solves the technical problems such as complex process, large investment, high operating cost, large limitation of cultured species, low survival rate and slow growth faced by seawater fish in freshwater and low-salinity saltwater aquaculture technology. The industrialization of seawater fish farming technology in inland areas saves social resources and provides a modern technological, energy-saving, environmentally friendly, intensive and efficient aquaculture model for inland areas of China

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  • Water circulation system and method for breeding marine fishes inland
  • Water circulation system and method for breeding marine fishes inland
  • Water circulation system and method for breeding marine fishes inland

Examples

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Embodiment 1

[0032] Embodiment 1, the method for cultivating flounder in fresh water circulating water system (taking southern flounder as an example):

[0033] Flounder is the most popular medium-to-high-grade marine fish in the world aquatic market. Among them, the southern flounder native to the United States has become more and more popular in recent years due to its physiological characteristics such as fast growth, strong adaptability, wide temperature and salt. Many farmers from China have tried to breed southern flounder. However, due to the lack of understanding of the biological characteristics of its culture, the culture efficiency is not good, especially in the low salinity or freshwater conditions, there are not many successful precedents. Proposing a practical and mature comprehensive domestication and breeding technology is the key to breaking through the bottleneck of flounder breeding in freshwater.

[0034] Key points of the process

[0035] (1) The establishment of an ...

Embodiment 2

[0041] Embodiment 2, the method for cultivating seawater sea bass under ultra-low salinity conditions:

[0042] Sea bass is native to the coral reefs of the eastern seaboard of the United States and is a very popular high-grade sea fish. In recent years, ocean catches have declined year by year, and the market for black bass is tight. American scientists have conducted extensive research on its breeding technology, and have carried out tentative industrial development in some eastern coastal areas. Studies have shown that black perch grows fast, has strong adaptability, and is suitable for high-density farming. Its industrial aquaculture industry has a good development prospect. However, very little research has been done on cultivation techniques under ultra-low salinity conditions in inland areas. The cultivation of marine fish including black bass under ultra-low salinity conditions has important application value for the transformation and development of the aquaculture i...

Embodiment 3

[0051] The method for cultivating mouse grouper under the condition of embodiment 3, low salinity:

[0052] In the international and domestic markets, the mouse spot is one of the sea fish with the highest economic value in the grouper. Domestic aquaculture areas are mainly concentrated in seawater aquaculture farms in Hainan and Guangdong, and the market is often in short supply, requiring a large amount of imports. There are no reports of successful low-salinity farming in inland areas both at home and abroad. Because of its fast growth, large market demand and high price, the industrial development potential of breeding mouse grouper in inland areas is quite large.

[0053] (1) The establishment of an economical recirculating aquaculture system: the rat spot is a ferocious fish, but it moves slowly and seems docile, and likes to move in the upper layer of the water body. In terms of design, circular pools or square pools can be used, and the design of water intake and dra...

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Abstract

The invention relates to a water circulation system and a method for breeding marine fishes inland, and mainly solves the technical problems of complex process, large investment, high operating cost, large limitation of breeding varieties, low survival rate, slow growth and the like in the process of breeding the marine fishes in fresh water or low salinity salt water at present. A technical scheme comprises the following steps of: a, establishing the water circulation system; b, performing domestication on juvenile fishes of the marine fishes in the low salinity salt water in a gradient mode, namely breeding the juvenile fishes which are bred in the seawater in the brackish water temporarily, formulating a domestication strategy of slowing salinity gradually, and performing domesticationon the juvenile fishes of the marine fishes through three gradients, namely the brackish water phase, the low salinity phase and the ultra-low salinity phase; c, adding a physiological salt preparation, namely adding metal ions which play a key role in osmoregulation into the water or a feed; and d, managing the breeding, namely providing a preference temperature, illumination intensity and a daily illumination period. The water circulation system and the method are mainly used for breeding the marine fishes inland.

Description

technical field [0001] The present invention relates to a water circulation system and a cultivation method for cultivating seawater fish in inland areas, in particular to a method for cultivating seawater fish in a freshwater or low-salinity saline water circulating aquaculture system to realize cultivation of seawater fish in inland regions at a lower cost . Background technique [0002] With the rapid development of China's economy, people's consumption of high-end aquatic products continues to increase, especially in inland areas, while the demand for aquatic products continues to expand. At the same time, the consumption of fresh and live high-grade sea fish has entered a golden period of rapid growth. Taking 12 provinces and cities in the west as an example, the aquaculture species are mainly low-grade domestic fish. Due to the backward local aquaculture technology and slow industrial development, there has been a long-term problem of difficulty in eating fish and rely...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K63/04A01K61/00
CPCY02A40/81
Inventor 刘青华须藤直美
Owner SUZHOU FISHSEEDS BIOLOGICAL TECH CO LTD
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