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Culture method for reducing oreochromis mossambicus peculiar smells

A breeding method and technology of tilapia, applied in the field of fish farming, can solve the problems of lacking and reducing tilapia meat, achieve the effects of improving water quality, reducing the content of earthy smell substances, and increasing quality

Active Publication Date: 2017-12-01
SHANGHAI OCEAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above-mentioned shortcoming of the prior art, the purpose of the present invention is to provide a kind of cultivation method that reduces tilapia peculiar smell, is used to solve the lack of reducing the content of peculiar smell substances in tilapia meat and optimizing tilapia cultivation in the prior art. method problem

Method used

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  • Culture method for reducing oreochromis mossambicus peculiar smells
  • Culture method for reducing oreochromis mossambicus peculiar smells
  • Culture method for reducing oreochromis mossambicus peculiar smells

Examples

Experimental program
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Effect test

Embodiment 1

[0064] In the coastal breeding base of Shanghai Ocean University, set up a breeding pond made of cement, and put tilapia into the breeding pond. The stocking density of tilapia is 10-15 fish / m 2 . The floating raft hydroponic plants are planted in the culture pond, and the floating raft hydroponic plants are water spinach with a foam board as a carrier, and the length×width×thickness of the foam board is 1.4-1.6m×1.9-2.1m×0.04-0.06m. The foam board is provided with a plurality of planting holes, the distribution number of the planting holes on the foam board is 1 / 20 square decimeters, and the diameter of the planting holes is 70-90mm. There is a planting basket fixed in the planting hole, and water spinach is wrapped in planting cotton in the planting basket. The planting basket is an 80# model planting basket, and the planting cotton is 80# planting cotton. The water spinach wrapped in the planting basket is 29-31g / piece. The planting area of ​​water spinach accounts for 15-...

Embodiment 2

[0068] In the coastal breeding base of Shanghai Ocean University, set up 3 breeding ponds made of cement. The specifications of the cement ponds: length×width×height are 5m×3m×1.2m. Get tilapia and put it in the culture pond, the stocking density of tilapia is 11 tails / m 2 . The floating raft hydroponic plants are planted in the culture pond, and the floating raft hydroponic plants are water spinach with a foam board as a carrier, and the length×width×thickness of the foam board is 1.5m×2m×0.05m. The foam board is provided with a plurality of planting holes, the number of planting holes distributed on the foam board is 15, and the diameter of the planting holes is 80 mm. A planting basket is fixed in the planting hole, and water spinach is wrapped in planting cotton in the planting basket. The planting basket is an 80# model planting basket, and the planting cotton is 80# model planting cotton. The water spinach wrapped in the planting basket is 30g / piece. The planting area ...

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Abstract

The invention provides a culture method for reducing oreochromis mossambicus peculiar smells. Oreochromis mossambicus is taken and thrown into a culture pond, buoyant raft hydroponics plants are planted and cultured in the culture pond, the bottom of the culture pond is provided with an aeration plate for whole-process aeration, the oreochromis mossambicus is fed with baits every day, and sewage discharging is performed through a sewage discharging pipe at the bottom of the culture pond and water replenishing is performed through a water inlet pipe on the culture pond every week. The culture method for reducing the oreochromis mossambicus peculiar smells provided in the invention improves water quality conditions in the culture pond through integrating a bottom sewage discharging technology with a ''fish and vegetable symbiosis'' technology, and effectively reduces the earthy-smell substance content in oreochromis mossambicus flesh, so that scientific bases are provided for culture mode optimization of the oreochromis mossambicus.

Description

technical field [0001] The invention belongs to the technical field of fish farming and relates to a tilapia cultivation method, in particular to a cultivation method for reducing the peculiar smell of the tilapia. Background technique [0002] With the reduction of fishery resources, aquaculture, especially freshwater aquaculture, is gradually replacing the fishing industry. The yield per unit area of ​​aquaculture in my country continues to increase, and fish feces and non-point source pollutants exceed the self-purification capacity of the water body, resulting in eutrophication of the aquaculture water body, causing excess blue and green algae and other substances that cause fish to produce odorous substances. The internal and external pollution of aquaculture water has greatly reduced the quality of fish. [0003] Tilapia (Tilapia), commonly known as African crucian carp, currently the tilapia aquaculture production in my country is basically based on ponds with still ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/10A01G31/00
CPCA01G31/00A01K61/00Y02A40/81Y02P60/60
Inventor 刘利平张凯吴宗文梁勤朗邓棚文
Owner SHANGHAI OCEAN UNIV
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