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Breeding method for new strain of crassostrea gigas with orange left and right shells

A technology for long oysters and new strains, applied in the application, climate change adaptation, fish farming and other directions, can solve problems such as the breeding method of orange long oysters that have not been seen, achieve market sales price growth, broad market prospects, and increase additional effect of value

Active Publication Date: 2014-09-17
OCEAN UNIV OF CHINA
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  • Abstract
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Problems solved by technology

So far, there is no report on the breeding method of orange long oyster

Method used

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Experimental program
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Embodiment Construction

[0018] (1) F1 generation selection:

[0019] 1. Monogamous fertilization and hatching: In 2009, individuals with a pure purple left shell and a black mantle were selected from the oyster breeding population as male breeding broodstock, and the left shell was pure black and the mantle was black. Black individuals are used as female breeding broodstock, and they are divided into groups and mated in single pairs, that is, one female and one male are mated to establish families respectively; the fertilized eggs of each group are placed in 100L polyethylene plastic buckets filled with filtered seawater and made Well-marked, micro-inflated, hatching density controlled at 20-40 / ml, and hatched to D-shaped larvae after 18-20 hours at a water temperature of 20-24°C;

[0020] 2. Cultivation of larvae: Use the siphon method to select the above-mentioned D-shaped larvae with a 300-mesh silk screen, and place them in 100L polyethylene plastic buckets for cultivation; adjust the cultivation...

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Abstract

The invention discloses a method for breeding a new strain of Oyster oyster whose left and right shells are orange. Individuals with black and black mantles were used as female breeding broods, and F1 generation families were established through monogamous insemination; female and male individuals with purple-black shells on the left and right and black mantles were selected from the F1 generation as breeding broods. Broodstock, establish the F2 generation family; from the F2 generation, continue to select female and male individuals whose left and right shell colors are purple-black and black mantle color as breeding broodstock, and establish the F3 generation family; select orange individuals from the F3 generation as The parents of the new strain are used for seed propagation, thereby cultivating a new strain of long oyster with stable properties and both left and right shells being orange, which improves the added value of the product and has a broad market prospect.

Description

technical field [0001] The invention relates to a family selection breeding technique in the genetic breeding of shellfish, in particular to a method for breeding a new strain of long orange oyster. Background technique [0002] The long oyster, also known as the Pacific oyster, belongs to the mollusk Phylumbranchia, Pearl Oyster, Oysteridae, and the genus Pyramid. It has the advantages of strong environmental adaptability, fast growth, delicious flavor, and rich nutrition. It is the most extensively cultivated, The most productive economical shellfish. Long oyster is the largest cultured shellfish in the world. Most of the seedlings required for cultivation rely on artificial seedlings. The broodstock used for seedlings are all wild-type populations that have never been genetically improved. [0003] As an important economic trait, color has always been concerned by geneticists and breeders because of its stable heredity. In wild populations of long oysters, individuals w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00
CPCA01K61/002A01K61/54A01K67/033Y02A40/81A01K67/00
Inventor 李琪丛日浩王卫军葛建龙孔令锋
Owner OCEAN UNIV OF CHINA
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