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Crassostrea gigas breeding method capable of increasing meat percentage

A technology for growing oysters and yielding meat, which is applied in the breeding field of oysters, which can solve the problems of poor oxygenation effect and achieve the effect of improving meat yield and growing well

Active Publication Date: 2021-09-03
湛江华南贝类研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a method for breeding long oysters that can improve the meat yield, and solves the problem that oxygen is usually added to water through oxygenatio

Method used

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  • Crassostrea gigas breeding method capable of increasing meat percentage
  • Crassostrea gigas breeding method capable of increasing meat percentage
  • Crassostrea gigas breeding method capable of increasing meat percentage

Examples

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no. 1 example

[0047] Please refer to figure 1 ,in, figure 1 It is a functional block diagram of the first embodiment of the method for breeding oysters that can improve the meat yield provided by the present invention. The breeding method of the long oyster that can improve meat yield, comprises the following steps:

[0048] S1: Parent selection: select the long oyster whose left shell color is golden yellow from the wild population of long oyster as the basic population, and take the golden shell color and growth speed as the breeding targets;

[0049] S2: Secondary selection: Among the offspring bred by the broodstock population selected in S1, select long oysters whose left shell color is golden and have a high meat yield, and the number is 30-35 for each male and female;

[0050] S3: group mating, the male and female long oysters selected in S2 are mated with each other;

[0051] S4: The second breeding: the oysters whose shell color is golden yellow and whose growth speed is fast in...

no. 2 example

[0057] Please refer to figure 2 , image 3 , Figure 4 , Figure 5 with Image 6 , based on the breeding method for long oysters that can increase the meat yield provided in the first embodiment of the present application, the second embodiment of the present application proposes another breeding method for long oysters that can increase the meat yield. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0058] Specifically, the difference in the breeding method for long oysters that can increase the meat yield provided by the second embodiment of the present application is that the breeding method for long oysters that can increase the meat yield,

[0059] The aeration regulating culture device includes a carrying raft 1, and the interior of the carrying raft 1 is provided with an aeration device 2, and the aeration device 2 includ...

no. 3 example

[0082] Please refer to figure 2 , image 3 , Figure 4 with Figure 7 , Based on the breeding method for long oysters that can increase the meat yield provided in the second embodiment of the present application, the third embodiment of the present application proposes another breeding method for long oysters that can increase the meat yield.

[0083] The buoyancy adjustment assembly 4 includes a buoy 41, the two ends of the buoy 41 are fixedly connected to the two sides of the bearing raft 1 through a fixing piece, and a plurality of water inlet holes 42 are opened symmetrically on both sides of the buoy 41, and the buoy 41 One side of the top is provided with a water inlet 43, and a sealing cover is threaded on the water inlet 43;

[0084] The water inside the buoy 41 can be drawn out by the water outlet 43 by setting the water outlet, and the sealing cover can be set to prevent foreign matter from entering and when it is not necessary to add water to the inside of the b...

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Abstract

The invention provides a crassostrea gigas breeding method capable of increasing meat percentage, which comprises the following steps: S1, selection of parent crassostrea gigas: screening crassostrea gigas with golden yellow left shell color from a crassostrea gigas wild population as a basic population, and taking the golden yellow shell color and growth speed as breeding targets; S2, secondary optimization: reselecting 30-35 male and female crassostrea gigas with golden left shell and high meat percentage from offspring propagated by the parentcrassostrea gigas population selected in the S2, and selecting 30-35 male and female crassostrea gigas with golden left shell and high meat percentage from the offspring propagated by the parent crassostrea gigas population selected in the S2; S3, porpulation mating: performing mutual mating on the male and female crassostrea gigas selected in the S1; and S4, second breeding: performing male and female single-pair single mating propagation on the crassostrea gigas with offspring whaving golden yellow shell color and high growth speedin the S2. According to the crassostrea gigas breeding method capable of increasing meat percentage, the crassostrea gigas is formed through continuous breeding of at least four generations by adopting a mixed breeding technology combining family breeding and group breeding, and in the same breeding environment, compared with unbred crassostrea gigas, the average shell height, the average weight and the meat percentage of 15-month-old crassostrea gigas are improved respectively.

Description

technical field [0001] The invention relates to the field of breeding methods of long oysters, in particular to a breeding method of long oysters which can improve the meat yield. Background technique [0002] Oysters, commonly known as sea oysters, oysters, etc., belong to the mollusk phylum, bivalves, and pearl oysters. They are the largest cultured shellfish in the world and one of the important marine biological resources available to humans. They are globally distributed species. Oysters are not only delicious and nutritious, but also have unique health care functions and medicinal value. They are a seafood treasure with high nutritional value. The zinc content of oysters ranks first in human food. It is believed that oysters have the functions of curing weakness, detoxifying erysipelas, lowering blood pressure, nourishing yin and strengthening yang. [0003] Among them, in order to increase the meat yield of oysters, the mixed breeding techniques such as family selec...

Claims

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Application Information

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IPC IPC(8): A01K61/50A01K61/54A01K61/65A01K63/04
CPCA01K63/042A01K61/65Y02P60/60Y02A40/81
Inventor 李忠玉于瑞海李琪刘士凯李鹏飞徐成勋
Owner 湛江华南贝类研究院
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