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A method for cultivating yellowtail seedlings by using an engineered pond

An engineering, pond technology, applied in application, climate change adaptation, fish farming, etc., can solve the problems of restricting the sustainable development of the yellowtail aquaculture industry and the high deformity rate of fry, to ensure growth health and survival rate, control The rate of deformity and the effect of alleviating stress response

Active Publication Date: 2022-01-28
YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI +1
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AI Technical Summary

Problems solved by technology

However, the large-scale breeding technology of yellowtail amberjack seedlings has not yet been broken in the world. The number of seedlings in Japan, Australia and other countries is only 100,000-200,000, and the deformity rate of seedlings is high under factory cultivation conditions. It cannot meet the needs of the aquaculture industry and has become a bottleneck restricting the sustainable development of the yellowtail aquaculture industry

Method used

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Examples

Experimental program
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Embodiment 1

[0035] Example 1: Dalian Fugu Food Co., Ltd. yellowtail amberjack seed engineering pond cultivation technology.

[0036] From 2019 to 2020, Dalian Fugu Food Co., Ltd. continuously carried out the research and demonstration of the engineering pond cultivation technology of yellowtail seedlings. The specific implementation plan is as follows:

[0037] 1. Pond engineering design and construction

[0038] In the Jianshan Pond Breeding Base of Dalian Fugu Food Co., Ltd., the seawater pond for sea cucumber cultivation with an area of ​​100 mu was engineered, and the large pond was divided into small ponds. Design, heat preservation, etc., and transform it into a small-scale engineered pond specially used for the cultivation of yellowtail seedlings. From 2019 to 2020, 10 of the ponds were continuously used to carry out seedling cultivation experiments.

[0039] The small-scale engineered pond for yellowtail nursery is square with an area of ​​1500m 2 , The pond is 2.5 meters deep....

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Abstract

The invention provides a method for cultivating yellowtail seedlings by using an engineering pond, which belongs to the field of aquaculture. The method includes pond design and construction, pond pretreatment before seedling cultivation, biological bait cultivation, fertilized egg hatching management, environmental Regulatory management, early breeding bait and feeding strategy, seedling out pond and transportation, and intermediate cultivation of seedlings. The method of the invention artificially simulates the natural ecological environment, reduces the stress of early seedlings, greatly improves the survival rate of seedlings in early cultivation, reduces the deformity rate of seedlings, and successfully cultivates large quantities of high-quality amberjack seedlings.

Description

technical field [0001] The invention belongs to the technical field of mariculture, and in particular relates to a method for cultivating amberjack seedlings by using an engineered pond. Background technique [0002] Yellowtail is a kind of oceanic economic fish with long-distance migration characteristics widely distributed in global waters. It is distributed in the coastal areas of my country. It has the characteristics of large body and fast growth. Its quality is comparable to that of salmon and tuna. It is favored by the international consumer market and has broad prospects for development and utilization. Yellowtail yellowtail is especially suitable for breeding in deep-sea and large-scale facilities such as deep-water anti-wind and wave cages, large-scale fences, and breeding workboats. It is an excellent fish species suitable for deep-sea farming. At present, Japan, Australia, New Zealand, the United States, Chile, China and other countries have carried out artificia...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/10A01K63/00A01K63/04
CPCA01K61/10A01K63/003A01K63/04Y02A40/81
Inventor 徐永江柳学周王滨姜燕史宝张言祥李荣吕伟
Owner YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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