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Mixed breeding method of pearl gentian grouper and grouper sea bream in industrial circulating water

A pearl gentian and mixed culture technology, which is applied in fish farming, climate change adaptation, application, etc., can solve the problems of little research on fish mixed culture technology, and achieve fish welfare protection, enrich technical connotation, improve The effect of biocapacity

Active Publication Date: 2015-07-29
YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are very few researches on fish mixed culture technology for industrial recirculating aquaculture system, and the industrial mixed culture technology of pearl gentian grouper and grouper bream has not been reported.

Method used

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Embodiment 1

[0019] A kind of mixed breeding method of pearl gentian grouper and grouper sea bream in industrialized circulating water, the specific operations are as follows:

[0020] Each set of recirculating aquaculture system in the grouper aquaculture workshop of Oriental Ocean Laizhou Branch is composed of a water treatment unit composed of a microfilter, protein foam separator, ultraviolet lamp, ozone, oxygen cone, and biological filter, and 10 aquaculture ponds. Each breeding pond is adjusted to a water depth of 95cm, and the effective breeding water body is about 30m 3 .

[0021] Stocking quantity and specifications: A system is selected, and each pool is stocked with 3,500 pearl gentian groupers with an average weight of 32.5 grams, a total of 35,000; 700 groupers with an average weight of 50.2 grams, a total of 7,000, and mixed culture is implemented.

[0022] Stocking sequence: the pearl gentian grouper is first stocked in the system, and after about 3 days of stable food inta...

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Abstract

The invention relates to a method for mixed culture of pearl gentian grouper and grouper bream in industrialized circulating water. The invention belongs to the technical field of aquaculture. The weight of the pearl gentian grouper is 30-40 g, and the weight of the grouper is 1.5-2.0 g. times, adjust the breeding density of the pearl gentian grouper to 80-120 fish / m3, and the stocking density of the grouper is 1 / 5-1 / 6 of the pearl gentian grouper. The present invention mixes pearl gentian grouper and grouper juveniles in a recirculating aquaculture system, and reduces or avoids interspecific competition by adjusting the stocking specifications, stocking order, culture density ratio, management strategy and water quality conditions of the two seawater fish , realize the mixed culture of pearl gentian grouper and grouper bream, and improve the efficiency of culture per unit water body.

Description

technical field [0001] The invention belongs to the technical field of aquaculture, and in particular relates to a mixed culture method for pearl gentian grouper and grouper bream under the condition of industrial circulating water culture. Background technique [0002] Pearl gentian grouper, commonly known as dragon tiger grouper or pearl grouper, is a hybrid grouper bred by female brown-spotted grouper and male saddle-banded grouper. It grows fast and has strong disease resistance. It is a kind of nutritional value and Fish with high economic value has become one of the main cultured species of grouper in my country at the present stage, and has broad industrial prospects. However, at present, the main breeding methods of this fish are coastal ponds and offshore cages, and the breeding methods are relatively extensive. It needs to be improved urgently; Oplegnathus punctatus belongs to Perciformes, Oplegnathidae, and the genus Oplegnathus. It is mainly distributed in North Ko...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 刘宝良赵奎峰王国文雷霁霖刘新福高淳仁贾瑞韩岑
Owner YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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