Three-dimensional planting and raising method of takifugu obscurus, penaeus vannamei and ipomoea aquatica

A technology of three-dimensional cultivation of puffer puffer and puffer obscura, which is applied in the fields of puffer vannamei and water spinach, and puffer puffer obscura. It can solve the problems of polluted water source for breeding, environmental impact of water area, fishery production reduction, etc., and increase economic benefits. , Reduce production costs, reduce the effect of wastewater discharge

Active Publication Date: 2020-04-28
上海市水产研究所(上海市水产技术推广站)
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] At present, the culture modes of puffer obscura mainly include pond culture and industrial culture. Breeding of species easily leads to waste of feed and the outbreak of diseases. At the same time, the high-density and high-water exchange breeding mode of a single species has a great impact on the water environment, which in turn pollutes the water source of aquaculture water, resulting in reduction in fishery production, fisherman cuts

Method used

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  • Three-dimensional planting and raising method of takifugu obscurus, penaeus vannamei and ipomoea aquatica
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Embodiment 1

[0029] The method for three-dimensional cultivation of Fugu obscurus, Penaeus vannamei, and water spinach of the present invention includes the following steps:

[0030] 1) Pond preparation: Choose an earthen pond with a flat bottom in Jiangsu and Zhejiang. The pond is preferably 2m deep, 1.5m water level, 2.5-5.0 mu in area, and rectangular. Each pond is equipped with 1-2 1.5kw aerators. Filter with a 60-mesh sieve tulle bag on the nozzle cover, thoroughly clean the pond before use, thoroughly remove wild fish and shrimp, add water to the bottom of the submerged pond and soak, dissolve in water with 50-80 kg / mu of bleaching powder, and supernatant Sprinkle the pond for disinfection. Turn on the aerator when splashing and within half an hour after splashing, and then turn off the aerator. The pond water is static for 3-4 days. After the pond water is clear and bottomed, thoroughly drain the disinfection water, and then add new When the water reaches the bottom of the submerged po...

Embodiment 2

[0040] Using the above-mentioned method of the present invention, in 2019, three experimental ponds (numbered 2) of three-dimensional planting and breeding models of oriental puffer, vannamei, and water spinach were carried out at the Fengxian Scientific Research Base of Shanghai Fisheries Research Institute. # East, 2 # West, 4 # Middle) and three control ponds (No. 4 # East, 4 # West, 2 # Middle) A comparative breeding experiment was carried out, and three parallel groups were set up, each with an area of ​​2.5 mu. On April 25, the obscured puffer fish (average size: 154.61g / tail) was stocked, and 2,000 fish were stocked in a three-dimensional breeding test pond. / Pond, stocking density is 800 / mu, monoculture control pond stocking 2500 fish / pond, stocking density is 1000 fish / mu; May 21, in the three-dimensional planting test pond, each pond stocked 2.9 Ten thousand tails, the stocking specification of shrimp larvae is 0.8-1.0cm, the salinity of shrimp larvae should be desalina...

Embodiment 3

[0044] Using the above method, in 2019, the three-dimensional cultivation model of oriental puffer, vannamei prawn, and water spinach will be carried out at the Qingpu scientific research base of Shanghai Fisheries Research Institute, and the three-dimensional breeding experiment of monoculture pufferfish and monoculture of vannamei will be carried out. And set up two parallel groups each. On April 24, Takifugu obscurus was stocked (average size: 160g / tail), the stocking density of the three-dimensional breeding test pond was 800 / mu, and the stocking density of monoculture Takifugu obscurus was 1,000 fish / mu; on May 27, the three-dimensional pond stocking density In the planting test ponds, each pond stocked Penaeus vannamei shrimp larvae with a stocking specification of 0.8-1.0 cm. The shrimp larvae required salinity to be desalinated below 2 and the shrimp larvae stocking density was 12,000 / mu. After more than 4 months of cultivation, the growth of the fish has reached the ex...

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Abstract

The present invention relates to the field of aquaculture and particularly to a three-dimensional planting and raising method of takifugu obscurus, penaeus vannamei and ipomoea aquatica. The three-dimensional planting and raising method of the takifugu obscurus, penaeus vannamei and ipomoea aquatica comprises 8 production steps of pond preparing, takifugu obscurus stocking, penaeus vannamei stocking, ipomoea aquatica planting, bait feeding, daily management, growth monitoring and harvesting and catching. The method transforms a culture method of the takifugu obscurus, establishes a low-carbon,low-pollution, and efficient takifugu obscurus ecological three-dimensional planting and raising model, establishes a multi-species and multi-nutrition-level pond ecosystem, fully utilizes water bodyspace of the takifugu obscurus aquaculture pond, improves utilization rate of water body of the pond, reduces production cost, improves economic benefits, improves overall feed utilization rate of the takifugu obscurus aquaculture, reduces total bait coefficient, reduces discharge of wastewater, improves energy efficiency of aquaculture, promotes synergism of the fishery and income increase of fishermen, and is also simple to operate and easy to be accepted and popularized by people.

Description

Technical field [0001] The invention relates to the technical field of aquaculture, in particular to a three-dimensional cultivation method for obscured pufferfish, vannamei prawns and water spinach. Background technique [0002] Takifugu obscurus (Takifugu obscurus), commonly known as pufferfish, belongs to the order Takifugu, suborder Takifugu, Takifugu, and genus Takifugu. Its muscles are white as cream, meaty, tender and delicious, rich in protein, and rich in nutrients. It is known as the first of the "Three Fresh Yangtze Rivers". Our country has a traditional habit of eating puffer fish since ancient times. Especially in Jiangsu and Zhejiang, puffer fish has always been regarded as a treasure on the table. The liver and ovary of puffer fish can extract pufferfish toxin, which has high economic value and medicinal value, and has broad prospects for earning foreign exchange. At present, the total annual domestic production of Takifugu reaches 20,000 to 50,000 tons. Among Ta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/10A01K61/59A01G31/00
CPCA01G31/00A01K61/10A01K61/59Y02P60/60Y02A40/81
Inventor 施永海谢永德张忠华徐嘉波陆根海刘永士乔燕平税春曹祥德袁新程杨明
Owner 上海市水产研究所(上海市水产技术推广站)
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