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Indoor wintering method of octopus parents in north

A technology of short octopus and broodstock, which is applied in the field of indoor overwintering of short octopus broodstock in the north, can solve the problems of difficult to ensure the quality of breeding broodstock, damage to breeding broodstock, etc., and achieve the effect of overcoming fatal damage, simple method, high breeding density and survival rate

Inactive Publication Date: 2010-02-03
AQUATIC PROD RES INST SHANDONG PROV
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AI Technical Summary

Problems solved by technology

[0003] At present, short octopus is a new breed in the north, and its breeding broodstock mainly depends on natural fishing. The harvesting and transportation process will cause damage to the breeding broodstock, and it is difficult to guarantee the quality of the breeding broodstock.

Method used

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  • Indoor wintering method of octopus parents in north
  • Indoor wintering method of octopus parents in north

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0014] Such as figure 1 and figure 2 Shown, a kind of octopus broodstock northern indoor overwintering method, artificial construction 30m 2 The octopus broodstock cultivation pond 2, the cultivation pond 2 is provided with water inlet 1 and water outlet, and water inlet 1 is higher than the water surface, and internal diameter is set on the water outlet and is 150mm drainpipe 6, and drainpipe 6 extends into 80cm in the pond, extends in the bottom of the drainpipe in the pond Some water holes 8 with a diameter of 5mm are arranged on the top and the sides, and the seawater depth is maintained at about 1m in the pool, and a layer of 10cm thick sea sand 3 is spread at the bottom of the pool; the culture tanks 4 are tied into strings by 120 strands of polyethylene rope 5 Placed on the sea sand 3 at the bottom of the culture pond 2, 14 per square...

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Abstract

The invention discloses an indoor wintering method of octopus parents in north, comprising the following steps: paving a layer of sea sand at the bottom of a culture pond, placing cultivation tanks instrings at the bottom of the culture pond, aerating the culture pond using an air pump via dispersed-air stone, keeping the water temperature of the culture pond not less than 10 DEG C, and placing mulluscs lower in living bodies such as quadrangle clams and short necked clams as well as small crabs for one time or many times. The method avoids the fatal damage on breeding parents caused by lowertemperature in winter in the north, provides rich octopus breeding parents by manpower and reduces the dependence on natural parents and damage to natural resources. The method ensures high cultivation density and survival rate, favorable economic benefit and simple method and is suitable for large and medium size cultivation units with wintering condition.

Description

technical field [0001] The invention belongs to aquatic broodstock cultivation technology, in particular to an indoor overwintering method for short octopus broodstock in the north. Background technique [0002] Short octopus (Octopus ocellatus) belongs to cephalopods, Octopus order, is a small octopus, commonly known as eight bands. Widely distributed in the Bohai Sea, the Yellow Sea and the northern part of the East China Sea. Its meat is delicious and nutritious, popular with consumers, and has high economic value. The fresh, dried and processed products of octopus have broad domestic and overseas markets, mainly exported to South Korea and Japan, and are important export seafood in northern my country. [0003] At present, short octopus is a new breed in the north, and its breeding broodstock mainly depends on natural fishing. The harvesting and transportation process will cause damage to the breeding broodstock, and it is difficult to guarantee the quality of the bree...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00A01K63/04
CPCY02A40/81
Inventor 王卫军杨建敏周全利郑小东张宇孙国华
Owner AQUATIC PROD RES INST SHANDONG PROV
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