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Evaluation method of individual breeding values of turbot

A technology for the individualization and cultivation of turbot, applied in the field of seawater animal genetics and breeding, can solve the problems of inability to evaluate individual genetic parameters, calculate individual kinship coefficient, and incomplete physical pedigree

Active Publication Date: 2015-01-28
YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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Problems solved by technology

[0003] The purpose of the present invention is to provide a method for assessing the individual turbot breeding value, to solve the problem that the physical pedigree information cannot be used to calculate when the background source is unknown, the physical pedigree is incomplete, or the introduced turbot population is used for breeding. The individual kinship coefficient, so that the individual genetic parameters cannot be evaluated, so as to make up for the shortcomings of the existing technology

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  • Evaluation method of individual breeding values of turbot
  • Evaluation method of individual breeding values of turbot
  • Evaluation method of individual breeding values of turbot

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[0022] The method of the invention can meet the requirement of carrying out the breeding of improved turbot species without any physical pedigree records, and the breeding traits aimed at are mainly growth traits such as body length and weight. It is especially suitable for the selection and breeding of improved turbot species with introduced populations or newly established basic populations. It can meet the evaluation of individual breeding value of turbot in any growth stage.

[0023] Genetic parameters are the basic content of quantitative genetics, including three basic parameters: heritability, repetition rate, and genetic correlation among traits. The heritability reflects the relationship between trait inheritance and the environment, the repetition rate reflects the relationship between the measurements of the same trait, and the genetic correlation shows the genetic relationship between traits. These are the three most important relationships among the various relat...

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Abstract

The invention aims at providing an evaluation method of individual breeding values of turbot to solve the problems that a using background is not clear in source, a physical pedigree is incomplete or the individual kinship coefficient can not be calculated by utilizing physical pedigree information when an introduced turbot colony is used for breeding improved varieties, further solve the problem that evaluation of individual genetic parameters can not be performed and thus make up for deficiencies in the prior art. Compared with a method for evaluating the breeding value by relying on physical pedigree, the method provided by the invention can greatly reduce the time period for evaluation of the individual breeding values, namely that the evaluation of the individual breeding values can be completed by only one generation without performing multi-generation of culture of pedigree materials and other tedious steps.

Description

technical field [0001] The invention belongs to the field of seawater animal genetics and breeding, and in particular relates to a method capable of evaluating the breeding value of turbot individuals Background technique [0002] Turbot (Scophthalmus maximus L.) is a bottom-dwelling marine fish native to Europe. Due to its advantages of rapid growth, low temperature resistance, gentle personality and easy intensive farming, it has always been one of the excellent mariculture species in Europe and other places. one. my country began to introduce turbot in 1992. Since the breakthrough of productive nursery technology around 1999, the turbot aquaculture industry has developed rapidly in my country and has become an important marine aquaculture species in the northern coastal areas of my country. However, my country is not the country of origin of turbot, and has been relying on the country of origin of European turbot for a long time to provide and supplement the provenance. ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12Q1/68A01K61/00
CPCY02A40/81C12Q1/6888C12Q2600/156
Inventor 王伟继官健涛胡玉龙栾生孔杰
Owner YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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