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Artificial breeding method for semi-smooth tongue sole

A technology for broodstock breeding and semi-smooth tongue sole, applied in fish farming, application, climate change adaptation, etc.

Active Publication Date: 2008-02-27
莱州明波水产有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a broodstock breeding method of semi-smooth tongue sole, solve the domestication problem of broodstock by controlling the hydrological environment factors of broodstock cultivation; solve the overwintering problem of broodstock by controlling the growth environment conditions of broodstock; solve the problem of broodstock by controlling changes in light and water temperature gonadal development problems

Method used

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Examples

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Embodiment Construction

[0015] The general cement pond (6.0×4.0×1.5m) was used as broodstock breeding and overwintering pond. The pre-treated sediment is laid on the bottom of the pool to form an artificial seabed. The sediment is sun-dried and sieved, the ratio of sand to mud is 3:1, and the thickness is 20-30cm. A water flow regulator and a water flow circulation pipeline are installed at the drain hole at the bottom of the pool. The inner diameters of the double pipes are 20cm and 14cm respectively, and the height is 165cm. The water flow rate is adjusted within the range of 20-48L / min. Before broodstock enter the pool, soak and rinse until the pH of the pool water drops below 8.6.

[0016] During broodstock cultivation, the line is intermittently inflated. The air stones are distributed near the bottom layer to avoid stirring the sediment when aerating. Other environmental factors include: water temperature 26.2-18.4°C; salinity 26.20-30.60‰; Ph 7.7-8.6; dissolved oxygen 6.5-9.5mg / l; stockin...

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Abstract

An artificial reproduction method for half-smooth tongue-sole features that the hydrological environment factors for culturing parent fish are controlled for naturalizing them, the growth environment conditions of parent fish are controlled for surviving the winter, and the illuminance and water temp are controlled for ensuring the normal development of the gonad of parent fish.

Description

technical field [0001] The invention relates to an artificial propagation method of Soleidae fish, in particular to an artificial propagation method of half-smooth tongue sole. It belongs to the field of aquaculture in marine engineering. Background technique [0002] Semi-smooth tongue sole (Cynoglossus semilaevis Gunther) belongs to the flatfish order, Cynoglossus semilaevis family. Because of its tender meat and delicious taste, it is loved by consumers and is a rare fish species with high economic value. Semi-smooth tongue sole inhabits the coastal waters of my country all year round. It has the characteristics of wide temperature, wide salt and low food level. It is considered to be one of the ideal fish species for breeding and multiplication. Its large-scale production has received great attention from all aspects of society. [0003] The reproductive habits of tongue sole have the following main characteristics: First, in different seasons, the sex ratio of natural...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 李波毛鹏君王玉峰常爱利孙芳芳
Owner 莱州明波水产有限公司
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