Crayfish and mandarin fish alternate culture method

A lobster and mandarin fish technology, applied in fish farming, application, climate change adaptation and other directions, can solve the problems of waste of water resources, waste of water resources, short breeding time, etc. The effect of comprehensive benefits

Inactive Publication Date: 2018-05-04
武汉市农业科学技术研究院水产科学研究所
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

The small dragon breeding time is short, and the monoculture yield is low, resulting in waste of water resources
[0003] There are many defects in the prior art: firstly, the culture mode is limited to the single cultivation of lobster and mandarin fis

Method used

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  • Crayfish and mandarin fish alternate culture method
  • Crayfish and mandarin fish alternate culture method
  • Crayfish and mandarin fish alternate culture method

Examples

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Embodiment 1

[0073] A method for raising crayfish and mandarin fish in rotation, comprising the following steps:

[0074] Step 1. Fish pond preparation: Drain the pond water to 10-15cm on February 12, and then every 667m 2 Use quicklime 125kg to clear the pond. The next day, rake the bottom of the pond with a wooden rake. In order to completely clear the pond and kill wild fish and germs. After 3-4 days, water can be injected to make the pond depth reach 60-70cm.

[0075] Among them, the pond has an area of ​​1 ha, a rectangular fish pond running from north to south, with an aspect ratio of 2:1, and a water retention depth of 1.8m. The water quality complies with the national freshwater fish farming standard GB11607-89.

[0076] Around the ridge of the pond, polyethylene nets are used to form inverted eaves. The anti-escape net is 50cm above the ground and 30cm deep into the soil. The width of the inverted eaves is 40cm, and the included angle is about 60°C. The water inlet and outlet...

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Abstract

The invention discloses a crayfish and mandarin fish alternate culture method which includes the steps of preparing of a fishpond, transplanting of water plants, feeding of fish fry, transplanting ofspiral shells, culture management of the fishpond, culture management of mandarin fish, and fishing. According to the ecological habit that crayfish lives in caves in a megathermal period, mandarin fish in the fishpond is cultured in a low density breeding way in the megathermal period. Different varieties are subjected to alternate culture in the same water at alternated seasons, and thus, problems of aging of the fishpond, silt deposition and frequent occurrence of diseases are solved, substance and energy of a fishpond ecological system form a virtuous circle, utilization period and space of unit water is increased, and yield and efficiency increasing is achieved finally.

Description

technical field [0001] The invention belongs to the technical field of aquaculture, and in particular relates to a rotation cultivation method of crayfish and mandarin fish. Background technique [0002] Crayfish are delicious and nutritious, and they are rare freshwater shrimps. The mandarin fish has tender meat, few intermuscular thorns, and high meat content. It is a famous dish on the table. With the transformation of people's diet concept from quality type to nutrition type, crayfish and mandarin fish are more and more favored by consumers. The small dragon breeding time is short, and the monoculture yield is low, resulting in waste of water resources. [0003] There are many defects in the prior art: firstly, the culture mode is limited to the single cultivation of lobster and mandarin fish in ponds, and in order to pursue high yield and high benefit in the cultivation process, a large amount of feed and medicine are fed, resulting in poor quality of shrimp and manda...

Claims

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Application Information

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IPC IPC(8): A01K61/10A01K61/51A01K61/59
CPCA01K61/10A01K61/51A01K61/59Y02A40/81
Inventor 谢德兵李波朱思华杨凯徐洪亮刘怡然
Owner 武汉市农业科学技术研究院水产科学研究所
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