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A kind of stepwise method for cultivating grass carp

A stepped grass carp technology, applied in the field of breeding, can solve the problems of poor flavor, reduced umami taste, and high fat in the product, and achieve the effect of increasing activeness, fresh and crisp taste, and low fat

Active Publication Date: 2018-08-14
贵港沃斯顿科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with naturally grown products, artificially cultivated products have the disadvantages of high fat, poor taste, and reduced umami taste, and the product flavor is not as delicious as naturally grown products.

Method used

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  • A kind of stepwise method for cultivating grass carp

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Comparison scheme
Effect test

Embodiment 1

[0026] A method for stepwise farming grass carp, comprising the following specific steps:

[0027] (1) Construction of fish ponds: choose the side of mountain streams with wide terrain and abundant sunlight. Build several second-level cultured fish ponds again, and the first-level cultured fish ponds are connected with the second-level cultured fish ponds through a sewage system. The sewage system is an inverted U-shaped structure, and one end of the inverted U-shaped water suction end is arranged in the first-level cultured fish ponds. , the other end is the drainage end connected to the second-level aquaculture fish pond, the water suction end is 5cm away from the bottom of the aquaculture fish pond; A safety flow control valve is installed between them; a sedimentation tank is installed on the side of the drainage end, and the sedimentation tank is located below the drainage end; a flood discharge pipe is also installed in the fish pond, and the open end of the flood discha...

Embodiment 2

[0034] A method for stepwise farming grass carp, comprising the following specific steps:

[0035] (1) Construction of fish ponds: Choose a mountain stream with wide terrain and abundant sunlight. The terrain is stepped and the terrain drop is 5m. Build several second-level cultured fish ponds, wherein the first-level cultured fish ponds and the second-level cultured fish ponds are connected through a sewage system, the sewage system is an inverted U-shaped structure, and one end of the inverted U-shaped is the water-absorbing end and is arranged in the first-level cultured fish pond. The other end is the drainage end connected to the secondary aquaculture fish pond, and the water suction end is 8cm away from the bottom of the aquaculture fish pond; the position of the drainage end is lower than the position of the water suction end, and a main water pipe is installed between the water suction end and the discharge end; between the main water pipe and the discharge end A safet...

Embodiment 3

[0042] A method for stepwise farming grass carp, comprising the following specific steps:

[0043] (1) Construction of fish ponds: choose the side of mountain streams with wide terrain and abundant sunlight. Build several second-level cultured fish ponds again, and the first-level cultured fish ponds are connected with the second-level cultured fish ponds through a sewage system. The sewage system is an inverted U-shaped structure, and one end of the inverted U-shaped water suction end is arranged in the first-level cultured fish ponds. , the other end is the drainage end connected to the secondary aquaculture fish pond, the water suction end is 6cm away from the bottom of the aquaculture fish pond; A safety flow control valve is installed between them; a sedimentation tank is installed on the side of the drainage end, and the sedimentation tank is located below the drainage end; a flood discharge pipe is also installed in the fish pond, and the open end of the flood discharge...

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Abstract

The invention discloses a stepped grass carp culture method. The method comprises specific steps as follows: (1) fishpond construction: a mountain stream which has the stepped terrain and has the fall of 3-5 m is selected, multiple first-stage culture fishponds are built in the highest position, multiple second-stage culture fishponds are built in next stepped areas of the first-stage culture fishponds, the first-stage culture fishponds and the second-stage culture fishponds are connected through sewerage systems, water absorbing ends of the sewerage systems are arranged in the first-stage culture fishponds, water draining ends of the sewerage systems are connected to the second-stage culture fishponds, multiple stages of culture fishponds are sequentially arranged layer by layer, and adjacent culture fishponds are connected through the sewerage systems; (2) fry release; (3) feeding and daily management. Slopes can be utilized skillfully for stepped culture, the natural selenium-rich water source drawn from a high mountain is used, the content of oxygen and selenium in the culture fishponds is kept, so that grass carp is strong, has less fat and tastes fresh and crisp, the growth period is short, and the yield is high.

Description

【Technical field】 [0001] The invention relates to the field of cultivation, in particular to a method for stepwise cultivation of grass carp. 【Background technique】 [0002] Grass carp, also known as "grass carp" (Ctenopharyngodon idellus), the breeding method of ordinary grass carp is relatively simple, and there are many introductions in fish breeding methods. Grass carp is often used as The main object of stocking in ponds and lakes, reservoirs, and rivers. The meat of the grass carp produced is soft. [0003] Grass carp generally likes to inhabit the middle and lower layers of rivers, lakes and other waters and areas with many aquatic plants near the shore. It has the habit of migratory rivers and lakes. Sexually mature individuals spawn in rivers, reservoirs and other flowing waters. After spawning, broodstock and juveniles enter tributaries and lakes through rivers, usually in flooded shoal grasslands and flooding areas and The water bodies attached to the main and t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/10A01K63/00A01K63/04A23K50/80A23K10/30A23K10/37
CPCA01K61/00A01K63/003A01K63/045Y02A40/81Y02A40/818Y02P60/87
Inventor 李艳艳
Owner 贵港沃斯顿科技有限公司
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