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A kind of culture method of purple sea hybrid scallop

A cultivation method and technology for purple scallops, which are applied in the field of "cultivating in the north and raising in the south", can solve the problems of small size and short growth period of scallops, and achieve the effects of improving utilization rate, increasing value, and ensuring product quality and safety.

Active Publication Date: 2022-05-17
YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for raising seedlings of Zihai hybrid scallops in the north and then transferring them to the south for further cultivation, so as to overcome the problems of short growth period and small size of scallops in the existing scallop cultivation mode

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0030]At the beginning of May 2012, the new strain of scallop "Bohai Red", which is close to the maturity of the gonads, was brought into the nursery room, and the gonads matured after a week of maturation with the conventional bay scallop seedlings. Stimulate scallop oviposition with dry dew plus temperature stimulation, cultivate larvae according to the conventional culture method of bay scallop larvae, put plastic attachment base when 30-50% of larvae appear eye spots, and continue to cultivate for about 15 days after larvae attach to metamorphosis When the shell is 0.5 mm high, put it in a 60-mesh seedling preservation bag and directly transfer it to the Laizhou sea area for seedling preservation. After 2 weeks of seedling preservation, the seedlings were separated from the mesh, and transferred to 40-mesh mesh bags at a density of 3000-4000 per bag to continue cultivating. After about 30 days of cultivation, transfer them to 20-mesh temporary cages at a density of 1,000 p...

Embodiment 2

[0032] The "Qingnong No. 2" scallop seed raised in Laizhou, Shandong in March 2014 was cultured in the sea area of ​​Laizhou, Shandong. When the shell height reached about 2.4 cm in early August, it was airlifted to Xiamen and then cultured in Dongshan sea area. The height reaches about 6.4 cm, and the survival rate is about 65%.

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Abstract

The invention belongs to the cultivation technology of shellfish, and in particular relates to a cultivation method of "north breeding and south cultivation" in which purple sea hybrid scallops are raised in the north and then moved to the south for cultivation to cultivate large-scale scallops. The new hybrid species selected from the first generation of hybrids of purple scallops and bay scallops is used as seed shells, and scallop seedlings are cultivated in the north in early summer or autumn, and then transported to the southern waters for further breeding, and large-scale commercial scallops are cultivated. The invention can effectively improve the specifications of cultured scallops, increase the value of scallop products, effectively ensure the product quality and safety of scallops, increase the production of high-quality marine protein, increase the income of fishermen, and open up a new path for the healthy and sustainable development of scallop farming. the way.

Description

technical field [0001] The invention belongs to the cultivation technology of shellfish, and in particular relates to a cultivation method of "north breeding and south cultivation" in which purple sea hybrid scallops are raised in the north and then moved to the south for cultivation to cultivate large-scale scallops. Background technique [0002] Scallop is the main aquaculture species in my country and occupies a pivotal position in mariculture. The cultured scallops in my country are dominated by the northern subspecies of the Gulf scallop in the north, and the southern subspecies of the Gulf scallop (also known as the Gulf of Mexico scallop) in the south. The commercial size of the two bay scallop subspecies is small, the life span is short, and the long-term sterility leads to the degradation of the germplasm of the species, high mortality, and the commercial shell size is getting smaller and smaller, which cannot meet the market demand for large-size scallops. In orde...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/54
CPCA01K61/54Y02A40/81
Inventor 王春德刘博马斌刘桂龙张金盛
Owner YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI
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