A method for cultivating juvenile fish in an indoor cement pond of money fish

A cultivation method and technology of cement pond, which are applied in the field of goldfish breeding, can solve the problem that the breeding technology of goldfish has not yet broken through, and achieve the effects of improving growth efficiency and cultivation survival rate.

Active Publication Date: 2022-06-07
上海市水产研究所(上海市水产技术推广站)
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Problems solved by technology

There have been sporadic reports on the artificial reproduction of money fish, but the seed breeding technology of money fish has not yet broken through

Method used

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Embodiment Construction

[0029] The present invention will be described in detail below with reference to the embodiments. However, the following examples should not be construed as limiting the scope of the present invention.

[0030] The method for cultivating juvenile larvae in indoor cement ponds of goldenrod in the present embodiment comprises the following steps:

[0031] (1) Seedling distribution: The newly hatched larvae are distributed in an indoor cement pool with an area of ​​16-20m2 2 , the water level of the cloth seedlings is 1 / 4 of the full pool, and the density of the cloth seedlings is 7500-10000 tails / m 3 , diffuser stone 1.2-1.4 pieces / m 2 , the dissolved oxygen is kept above 6mg / L.

[0032] (2) Water temperature control: When the fry are 1-20 days old, the water temperature is controlled at 29±1℃; after 21-30 days, the water temperature is maintained at 26±1℃.

[0033] (3) Salinity regulation: Seed cultivation water is prepared by using concentrated seawater (Baume degree 11-12...

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Abstract

The invention relates to the technical field of money fish breeding, and provides a method for cultivating juvenile fish in an indoor cement pond of money fish, including eight methods of seedling placement, water temperature control, salinity control, light, sewage suction, water change, tank turning cultivation, and bait feeding. step. The bait sequence and feeding method for larvae and juvenile fish were established, which solved the technical problem of the opening of larvae and juvenile fish; the technical parameters of the water environment for the cultivation of larvae and juvenile fish were determined, and the growth efficiency of larvae and juvenile was improved by adopting temperature control and salt adjustment technology And the survival rate of cultivation has filled the gap in the field of artificial cultivation of money fish fry.

Description

technical field [0001] The invention belongs to the technical field of goldfish culturing, in particular to a method for cultivating goldfish juveniles in indoor cement ponds. Background technique [0002] Money fish (Scatophagus argus), also known as golden drum fish, belongs to the order Perciformes, family Scatophagidae, genus Scatophagus. Goldfish lives in the junction of brackish and fresh water at the estuary of rivers. It belongs to estuarine fish. It is native to Indonesia, Thailand, the Philippines and other places. The golden fish is flat and disc-shaped, with colorful body color and delicious meat. It has the dual value of ornamental and edible. It has become a new species of artificial culture in the southern coastal areas of my country in recent years. [0003] At present, money fish fry are mainly derived from wild fish fry caught in the sea. With the deterioration of the sea environment and overfishing, the natural resources of money fish are decreasing day b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/10A23K50/80A23K10/20
CPCA01K61/10A23K50/80A23K10/20Y02A40/81
Inventor 蒋飞徐嘉波邓平平施永海张根玉刘永士谢永德税春袁新程
Owner 上海市水产研究所(上海市水产技术推广站)
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