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Method for cultivating new variety of pinctada fucata small shellfish

A technology of Hepu pearl oyster and cultivation method, which is applied in the field of Hepu pearl oyster small piece oyster breeding, can solve the problems that restrict the development of pearl culture industry, the ability of nacre secretion is weak, and affect the quality of pearl, so as to achieve the secretion of nacre Strong ability, thick carapace, and the effect of avoiding inbreeding

Inactive Publication Date: 2020-11-24
BEIBU GULF UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] So far, in the production practice of inserting pearl oysters, pearl oysters and small oysters generally come from the same batch of oysters, and no specialized breeding has been carried out, resulting in weak secretion of mantle small pieces of nacre, mixed colors and low gloss. Seriously affect the quality of pearls, restricting the development of pearl farming industry

Method used

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  • Method for cultivating new variety of pinctada fucata small shellfish
  • Method for cultivating new variety of pinctada fucata small shellfish

Examples

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Embodiment 1

[0037] The present embodiment provides a method for cultivating a new variety of Hepu pinnacle oyster, which comprises the following steps:

[0038] (1) Establishment of the basic population: from a certain population of wild Hepu Pinctada japonica, select 1000 oysters with correct body shape, larger individuals and thick shells with a selection intensity of 10% as the parent oysters to be selected;

[0039](2) Selection of parent shellfish: by measuring the phenotype data of 1,000 parent shellfish to be selected, calculating their body mass coefficient, selecting the top 200 shellfish with a large body mass coefficient, opening the shells through dissection, and selecting gonads from them Shellfish that are well-developed, with white nacre in the inner shell, good gloss, and no blemishes are used as parents;

[0040] Among them, the measured phenotypic data include shell height, shell length, shell width and body weight;

[0041] The formula for calculating the above body ma...

Embodiment 2

[0047] The present embodiment provides a method for cultivating a new variety of Hepu pinnacle oyster, which comprises the following steps:

[0048] (1) Establishment of the basic population: from a certain population of wild Hepu Pinctada japonica, select 1000 oysters with correct body shape, larger individuals and thick shells with a selection intensity of 10% as the parent oysters to be selected;

[0049] (2) Selection of parent shellfish: by measuring the phenotype data of 1,000 parent shellfish to be selected, calculating their body mass coefficient, selecting the top 200 shellfish with a large body mass coefficient, opening the shells through dissection, and selecting gonads from them Shellfish that are well-developed, with white nacre in the inner shell, good gloss, and no blemishes are used as parents;

[0050] Among them, the measured phenotypic data include shell height, shell length, shell width and body weight;

[0051] The formula for calculating the above body m...

Embodiment 3

[0057] The present embodiment provides a method for cultivating a new variety of Hepu pinnacle oyster, which comprises the following steps:

[0058] (1) Establishment of the basic population: from a certain population of wild Hepu Pinctada japonica, select 1000 oysters with correct body shape, larger individuals and thick shells with a selection intensity of 10% as the parent oysters to be selected;

[0059] (2) Selection of parent shellfish: by measuring the phenotype data of 1,000 parent shellfish to be selected, calculating their body mass coefficient, selecting the top 200 shellfish with a large body mass coefficient, opening the shells through dissection, and selecting gonads from them Shellfish that are well-developed, with white nacre in the inner shell, good gloss, and no blemishes are used as parents;

[0060] Among them, the measured phenotypic data include shell height, shell length, shell width and body weight;

[0061] The formula for calculating the above body m...

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Abstract

The invention relates to the technical field of marine product shellfish breeding, in particular to a method for cultivating a new variety of pinctada fucata small shellfish. The method specifically comprises the following steps: (1) establishing a basic group, (2) selecting parent shellfish, (3) obtaining gametes, (4) constructing a first-generation breeding group F1, and (5) constructing and breeding generations F2 to F4 or above. According to the method, through specialized breeding, a new pinctada fucata small shellfish variety with high nacre secretion capacity and high nacre glossiness is obtained, and the defects in the prior art are overcome.

Description

【Technical field】 [0001] The technical field of shellfish breeding of marine products of the present invention particularly relates to a method for cultivating a new variety of Hepu Pinctada oyster. 【Background technique】 [0002] Hepu pearl oyster (Pinctada fucata) belongs to the mollusk phylum, bivalves, pearl oysters, pearl oyster family, and pearl oyster. % above, with extremely high economic value. Nucleation is the key technical link in the cultivation of pearls. Open the double shell of the shellfish slightly, and then insert the bead core and small pieces into the specific position in the shellfish, and the small pieces of mantle cells sent to the shellfish will continuously secrete pearl sacs on the bead cores. Form pearls. A small piece of mantle is provided, which is a donor oyster, called a small oyster or a cell oyster, and another pearl oyster accepts a small piece (nuclear pearl) and a bead nucleus (nucleated pearl), called a pearl oyster. [0003] Studies ...

Claims

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Application Information

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IPC IPC(8): A01K61/57A23K50/80A23K10/18
CPCA23K10/18A23K50/80A01K61/57Y02A40/81
Inventor 喻达辉陈健白丽蓉翟子钦
Owner BEIBU GULF UNIV
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