Genetic Contributions of Genes on Sex Chromosomes and Mitochondrial DNA in a Pedigreed Population

Ogawa, Shinichiro; Satoh, Masahiro

doi:10.3390/d14020142

Cited by 1 publication

(2 citation statements)

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“…Moreover, the use of the G matrix avoids problems, such as pedigree errors or absence, as well as ignoring biases caused by older generations when computing the A matrix [ 3 ]. In addition, using A matrix in OCS seems to target autosomal genes, probably with (almost) equal weighting to all genes, while G matrix can take account of variation in the level of relationship not only between animals within the same family but also between genomic regions [ 15 ], sex chromosomes, and mitochondrial DNA [ 16 ].…”

Section: Methodology Of Genomic Matingmentioning

confidence: 99%

“…Using genomic information could reduce the expected degree of inbreeding of progenies compared to using pedigree information given the same genetic gain. Moreover, genomic mating can measure the rate of inbreeding in specific genomic regions [ 15 ], sex chromosomes, and mitochondrial DNA [ 16 ] so as to minimize their loss of diversity.…”

Section: Usage Of Genomic Matingmentioning

confidence: 99%

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Progress in Genomic Mating in Domestic Animals

Zhang

Qiu

Wang

et al. 2022

Animals

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Selection is a continuous process that can influence the distribution of target traits in a population. From the perspective of breeding, elite individuals are selected for breeding, which is called truncated selection. With the introduction and application of the best linear unbiased prediction (BLUP) method, breeders began to use pedigree-based estimated breeding values (EBV) to select candidates for the genetic improvement of complex traits. Although truncated selection based on EBV can significantly improve the genetic progress, the genetic relationships between individuals with a high breeding value are usually closed, and the probability of being co-selected is greater, which will lead to a rapid increase in the level of inbreeding in the population. Reduced genetic variation is not conducive to long-term sustainable breeding, so a trade-off between genetic progress and inbreeding is required. As livestock and poultry breeding enters the genomic era, using genomic information to obtain optimal mating plans has formally been proposed by Akdemir et al., a method called genomic mating (GM). GM is more accurate and reliable than using pedigree information. Moreover, it can effectively control the inbreeding level of the population and achieve long-term and sustainable genetic gain. Hence, GM is more suitable for modern animal breeding, especially for local livestock and poultry breed conservation and genetic improvement. This review mainly summarized the principle of genomic mating, the methodology and usage of genomic mating, and the progress of its application in livestock and poultry.

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Section: Methodology Of Genomic Matingmentioning

confidence: 99%

Section: Usage Of Genomic Matingmentioning

confidence: 99%