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Cultivation Method of Wild Broodstock Pond of Dataki Hexaline

A technology of hexaline dataki and its breeding method, which is applied in the field of pond cage cultivation of wild broodstock of hexalis dataki, can solve the problems such as the low success rate of wild broodstock breeding of hexalis dataki, and achieve the improvement of seed quality and The effect of increasing production capacity, reducing work intensity and increasing success rate

Active Publication Date: 2020-12-08
MARINE BIOLOGY INST OF SHANDONG PROVINCE
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Problems solved by technology

[0005] The invention provides a method for cultivating wild broodstock ponds of Otaki hexaline fish in cages, thereby solving the problem of low success rate of wild broodstock breeding of Otaki hexaline fish, raising the success rate of wild broodstock breeding to 47.4%, and improving the seedling rate. Quality and production capacity, providing a feasible way for wild broodstock breeding of marine fish

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  • Cultivation Method of Wild Broodstock Pond of Dataki Hexaline
  • Cultivation Method of Wild Broodstock Pond of Dataki Hexaline
  • Cultivation Method of Wild Broodstock Pond of Dataki Hexaline

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Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with the examples.

[0023] The basic steps of the method of the present invention are as follows:

[0024] 1. Pond selection

[0025] Ponds generally choose seaside cofferdam ponds, which are required to be close to sea areas with good water quality, rich natural bait, and distribution of wild hexaline carp, and should be close to the hexaline carp nursery. The pond is generally suitable for 20-50 mu, with convenient water intake and drainage, water depth of 2.5-3 meters, and a complete gas supply system.

[0026] 2. Cage settings

[0027] The size of the breeding cage is 4m x 4m x 2.5m, and the bottom is anchored to prevent the net from moving with the water flow and scratching the broodstock. The net cages are set in a "field-shaped" or "chain-shaped" configuration to facilitate inspection of broodstock. 4 aeration stones are set at the bottom of each cage to ensure that the dissolved oxygen i...

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Abstract

The invention provides a pond cage cultivation method for parent fish of hexagrammos otakii, solving the problem of low cultivation success rate of the parent fish of the hexagrammos otakii. The cultivation success rate of the wild parent fish is increased to 47.4%, offspring seed quality and production capacity are improved, and a feasible solution is provided for cultivation of the wild parent fish of marine fishes. Some parent fish lay eggs in pond cages naturally, so that complex operations such as manual egg collection and insemination are omitted, working strength of manual reproductionprocesses is lowered, and large-scale offspring seed production is benefited.

Description

technical field [0001] The invention belongs to the technical field of fish breeding, and in particular relates to a method for cultivating wild broodstock pond cages of Otaki hexalis. Background technique [0002] Hexagrammos otakii, also known as Hexagrammos otakii, also known as Hexagrammos otakii, commonly known as yellow croaker, belongs to the order Scorpaeniformes, the family Hexagrammidae, and the genus Hexagrammos. Sexual offshore demersal reef fish. It is mainly distributed along the coasts of the Yellow Sea and the Bohai Sea, and is also found in the seas of North Korea, Japan and the Far East of Russia. This fish is resistant to low temperature, and its survival temperature is 2-26°C. In China, it is mainly produced in coastal rocky sea areas such as Shandong and Liaoning. Its tender meat and delicious taste are known as "Northern Grouper". It is deeply loved by consumers and has high economic value. Dataki hexaline is an ideal species for cage culture in nort...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/10
CPCA01K61/10Y02A40/81
Inventor 胡发文菅玉霞王雪刘元文李莉潘雷高凤祥郭文
Owner MARINE BIOLOGY INST OF SHANDONG PROVINCE
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