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Takifugu obscures, coilia nasus schlegel and trionyx sinensis three-dimensional ecological breeding

A technology of puffer obscurus and ecological breeding, applied in fish farming, application, climate change adaptation, etc., can solve the problems of occupying large ponds, low ratio of cuttlefish, low yield, etc., to reduce feed cost, easy to operate, The effect of reducing production costs

Active Publication Date: 2019-08-02
上海市水产研究所(上海市水产技术推广站)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the fully artificial breeding technology of sword anchovy has not been completely solved, especially the problem of artificial compound feed has not been solved, and most of them adopt the mode of ecological breeding, which has low output and a low ratio of large-scale sword anch. Occupies a large number of ponds, and also needs a large number of ponds to cultivate the biological bait of silver anchovy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A method for three-dimensional ecological cultivation of puffer anchovy, puffer anchovy and soft-shelled turtle of the present invention comprises pond preparation, puffer anchovy fingerling and puffer puffer obscurus are stocked in a suitable place, wheat ear fish and silver carp are stocked in a suitable place, soft-shelled turtle is stocked in a suitable place, bait is thrown and fed, It is composed of production steps such as daily management, pulling nets and catching, including:

[0024] 1) Pond preparation: choose an earthen pond with a flat bottom in Jiangsu and Zhejiang regions. The pond is preferably 2m deep, 1.5m water level, and 2.5-5.0 mu in area; each pond is equipped with 1-2 1.5kw aerators, water inlet sets Filter through a 60-mesh sieve with a tulle bag, and spray and disinfect the pond with 300-400 catties / mu of quicklime. After the pond is disinfected for 2 days, soak in water until it submerges the bottom of the pond. After soaking for 48 hours, drain ...

Embodiment 2

[0033] Using the above-mentioned method of the present invention, in 2018, in the Fengxian Research Base of Shanghai Fisheries Research Institute, 58 # The pond has an area of ​​4 mu. On March 28, 2,010 parents of Pufferfish obscura were stocked; on April 25, 2,120 one-winter-aged Anchovy were stocked, and the stocking density was 530 fish / mu. The average size was 5.26g, The body length is 12.23cm; on July 6, 213 soft-shelled turtles were stocked in the greenhouse, the size was 1.25 catties / piece, a total of 266.25 catties, and the stocking density was 53 / mu; the net was drawn on November 26, and 1,776 parents of Fugu obscura were obtained , with a survival rate of 88.36%; 1,102 cuttlefishes, with an average weight of 30.12g and a body length of 20.48cm, a survival rate of 51.98%, and a yield of 16.5 catties per mu; on December 25, 191 soft-shelled turtles were caught, with a size of 1.84 catties / only, a total of 351.4 jin, the return rate was 89.67%, the yield per mu was 87.75...

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Abstract

The invention relates to the field of aquaculture, in particular to a takifugu obscures, coilia nasus schlegel and trionyx sinensis three-dimensional ecological breeding method, which comprises sevensteps of pond preparation, stocking of coilia nasus schlegel fingerlings and takifugu obscures, stocking of pseudorasbora parva and silver carps, bait feeding, daily management, and net pulling for catching. The invention fully utilizes the water space of a takifugu obscurus parent breeding pond, increases yield of the coilia nasus schlegel and trionyx sinensis under the conditions of not increasing the input, not reducing the takifugu obscures parent breeding density, and not affecting the takifugu obscurus parent gonad development, improves the water utilization rate of the pond, reduces theproduction cost, improves the economic benefit, reduces the feed cost, improves the quality of the trionyx sinensis, and makes the water quality of the pond more stable; the method of the invention is easy to operate and can be easily accepted and promoted.

Description

technical field [0001] The invention relates to the technical field of aquaculture, in particular to a three-dimensional ecological breeding method for fugu obscurus, anchovy and soft-shelled turtle. 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 China is 20,000 to...

Claims

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Application Information

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IPC IPC(8): A01K61/10A01K67/02
CPCA01K67/02A01K61/10Y02A40/81
Inventor 施永海徐嘉波刘永士谢永德张海明税春邓平平
Owner 上海市水产研究所(上海市水产技术推广站)
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