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Method for three-dimensional cultivation and cultivation of dark-patterned pufferfish, vannamei shrimp, and water spinach

A dark-patterned pufferfish, three-dimensional planting and breeding technology, which is applied in the fields of botanical equipment and methods, fish farming, agriculture, etc. The effect of reducing bait coefficient and improving economic benefits

Active Publication Date: 2021-11-19
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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  • Method for three-dimensional cultivation and cultivation of dark-patterned pufferfish, vannamei shrimp, and water spinach
  • Method for three-dimensional cultivation and cultivation of dark-patterned pufferfish, vannamei shrimp, and water spinach

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Embodiment 1

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

[0030] 1) Pond preparation: Choose an earthen pond with a flat bottom in Jiangsu and Zhejiang. The pond is preferably rectangular with a depth of 2m, a water level of 1.5m, an area of ​​2.5-5.0 mu, and each pond is equipped with 1-2 1.5kw aerators. The outlet is covered with a 60-mesh sieve and filtered with a tulle bag. Thoroughly clean and disinfect the pond before use, thoroughly remove wild fish and shrimp, add water until the bottom of the pond is submerged and soak, dissolve 50-80 catties / mu of bleaching powder in water, and the supernatant Splash the pond for disinfection, turn on the aerator when splashing and within half an hour after splashing, then turn off the aerator, the pond water will stand still for 3-4 days, after the pond water is clear to the bottom, completely drain the disinfectant water, and the...

Embodiment 2

[0040] Using the above-mentioned method of the present invention, in 2019, three test ponds (numbered 2) of three-dimensional planting models of pufferfish, 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 (numbered 4 # East, 4 # West, 2 # Middle) conducted a comparative breeding experiment, and set up three parallel groups, each with an area of ​​2.5 mu. On April 25, puffer pufferfish obscurus (average size: 154.61g / tail) were stocked, and 2,000 fish were stocked in the three-dimensional planting test pond / pond, the stocking density is 800 / mu, and the single culture control pond is stocked with 2500 tails / pond, and the stocking density is 1000 tails / mu; on May 21, in the three-dimensional planting test pond, each pond stocked 2.9 shrimp seedlings of Penaeus vannamei. Ten thousand tails, stocking size of shrimp seedlings is 0.8-1.0cm, the s...

Embodiment 3

[0044] Using the above method, in 2019, the three-dimensional breeding model of puffer puffer, Penaeus vannamei and spinach was carried out at the Qingpu scientific research base of Shanghai Fisheries Research Institute, and a comparative breeding experiment was carried out with the three models of puffer puffer and Penaeus vannamei alone. And set up two parallel groups. On April 24th, pufferfish obscurus (average size: 160g / tail) were stocked, the stocking density in the three-dimensional planting test pond was 800 / mu, and the stocking density in the pond for single-culture pufferfish was 1000 fish / mu; on May 27th, the three-dimensional In the breeding test ponds, each pond is stocked with shrimp seedlings of Penaeus vannamei, the stocking size of which is 0.8-1.0 cm, the salinity of shrimp seedlings is required to be desalinated below 2, and the stocking density of shrimp seedlings is 12,000 / mu. After more than 4 months of breeding, the growth of the fish has reached the exp...

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Abstract

The invention relates to the field of aquaculture, in particular to a method for three-dimensional planting and breeding of pufferfish, Penaeus vannamei and water spinach. It consists of 8 production steps: daily management, growth monitoring, and harvesting. The invention changes the breeding mode of pufferfish with dark stripes, establishes a low-carbon, low-pollution and high-efficiency ecological three-dimensional planting and breeding mode of pufferfish with black stripes, establishes a multi-species and multi-trophic level pond ecosystem, and makes full use of the cultivation of pufferfish with black stripes. The water space of the pond improves the water utilization rate of the pond, reduces the production cost, and improves the economic benefit; improves the overall feed utilization rate of the pufferfish culture, reduces the total bait coefficient, reduces waste water discharge, improves the energy efficiency of aquaculture, and promotes the efficiency of fishery. , fishermen's income. In addition, the present invention is easy 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 method for three-dimensional cultivation of puffer puffer obscurus, whiteleg shrimp vannamei and water spinach. Background technique [0002] Fugu obscurus (Takifugu obscurus), commonly known as puffer fish, belongs to Fuguformes, Fugu suborder, Fuguidae, Fugu genus. Its muscles are as white as frost, the meat tastes plump, tender and delicious, rich in protein and rich in nutrition, and is known as the first of the "three delicacies of the Yangtze River". my country has had the traditional habit of eating puffer fish since ancient times, especially in Jiangsu and Zhejiang provinces, puffer fish has always been regarded as a treasure on the table. Tetrodotoxin can be extracted from the liver and ovary of puffer fish, which has high economic value and medicinal value, and has broad prospects for earning foreign exchange. At present, the total annual output of puffer in Chi...

Claims

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Application Information

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Patent Type & Authority Patents(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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