Nibea albiflora fry quick rearing method

A method for cultivating yellow croaker and a technology for broccoli are applied in the field of rapid nurturing of broccoli, which can solve the problems of single cultivating method, slow cultivating speed of broccoli and the like, and achieve the effects of improving survival rate, easy operation and shortening cultivation time.

Inactive Publication Date: 2016-05-04
YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

As people's demand for yellow croaker increases, wild resources can no longer meet the market supply, and artificial breeding is imperative. However, the current seedling cultivation method for yellow croaker is relatively single, and the seed breeding speed is relatively slow. Looking forward to The birth of a rapid breeding method for yellow croaker fry

Method used

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Embodiment Construction

[0021] The technical solution of the present invention will be further explained by the following examples, but the protection scope of the present invention is not limited in any form by the examples.

[0022] A kind of seed rapid breeding method of yellow croaker, its specific method is as follows:

[0023] (1) Collection of fertilized eggs

[0024] During the breeding season of yellow croaker, broodstock with well-developed gonads are selected. The broodstock are the breeding fish selected after 3-4 years of domestication in the farm. After artificial induction, fertilization, egg washing, filtration, flotation and other steps to obtain spare fertilization egg.

[0025] (2) Fertilized egg incubation conditions

[0026] The hatching of fertilized eggs and the cultivation of larvae, juveniles, and juveniles are all carried out in a blue cylindrical hatching bucket with a height of 80 cm and a diameter of 80 cm. When laying eggs, the water level is kept at 60cm, and the den...

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Abstract

The invention provides a nibea albiflora fry quick rearing method and belongs to the technical field of aquaculture. La3+ elements are added into fry rearing water 15 days after the time from roe distribution to fry hatching, and the concentration of La3+ reaches 0.5-1.0 mg/L. An improvement is carried out on the basis of a conventional nibea albiflora fry rearing method, the lanthanum elements of a certain concentration are added into the fry rearing water, fries which quickly grow are obtained, and meanwhile the fry rearing survival rate is increased.

Description

technical field [0001] The invention belongs to the technical field of aquaculture, and in particular relates to a method for rapidly cultivating yellow croaker fry. Background technique [0002] Yellow croaker (Nibea albiflora), belonging to the class Osteichthyes, order Perciformes, family Sciaenidae, genus Nibea. It is mainly distributed in the Yellow Sea, Bohai Sea, East China Sea and South China Sea in China. It is a warm-water middle and lower layer fish. It swims to the offshore during its breeding season and belongs to seasonal migratory fish. The suitable temperature range is 18-28°C, and the suitable salt range is 14-32‰. The fish has plump meat, unique taste and high nutritional value. It has been a fishing species with high economic value in my country over the years, and has broad prospects for breeding and development. As people's demand for yellow croaker increases, wild resources can no longer meet the market supply, and artificial breeding is imperative. H...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81A01K61/00
Inventor 陈超张梦淇李炎璐张春禄谭鲁玉
Owner YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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