Genomic and Blup evaluation of new zeland white breed rabbits by linear accessories
Journal Title: Біологія тварин - Year 2014, Vol 16, Issue 1
Abstract
The article shows the results of studies of interline New Zealand White breed rabbits differentiation by C34T myostatin gene and G2464A progesterone receptor gene polymorphism. The highest frequency of C allele by myostatin gene was in the offsprings from Emperor male (0.551). The frequency of T allele in this sample was 0.449 respectively. For Bilash rabbit lines higher values of G allele of the progesterone receptor gene (0.488) were observed due to the benefits of homozygous animals. The distribution of effective number of rabbits alleles (Ne) has been established by polymorphic variants of the myostatin gene and progesterone receptor gene. We have identified indicators of genetic diversity, analyzed genetic distance matrix and indices of relationship in the context of linear accessory studied animals. A methodology for selection of different lines rabbits by polymorphic variants of the myostatin gene and breeding values according to the algorithms of the best unbiased linear prediction is proposed. According to the BLUP-evaluation of the New Zealand White breed rabbits of different genotypes progeny it has been established that high index values were males of the line Nazar (+0.199), Baikal (+0.357) and Casper (+0.046). They were in accordance with the relative breeding value: 101.0 % 100.0 % and 100.5%, respectively. BLUP analysis assessing the breeding value of the New Zealand White rabbits breed by reproductive traits daughters showed that a high index of BLUP was in Nazar male (0.140) and the lowest was in Caesar (–0.035). Based on these studies it is suggested to use an integral genomic and BLUP evaluation of rabbits, which is the basis for identifying the genetic potential of animals and forecasting offspring productive qualities.
Authors and Affiliations
Ye. A. Shevchenko, K. V. Kopylov
Keywords
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