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Association of a single nucleotide substitution in intergenic region of chromosome 4 with traits of egg quality in domestic chickens

  • Animal Genetics
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Abstract

The association of SNP2-1 with egg quality traits in domestic chickens was analyzed. SNP2-1 alleles were significantly associated with the thickness of eggshells in chickens of the UK-72 line. The substitution of the SNP2-1 allele T for the C allele had an effect of 35 ± 15 μm, which corresponds to one standard deviation. For this trait, the effect of the T allele was dominant. SNP2-1 was also associated with other traits, including shell weight, egg-laying capacity in 60-week-old chickens (line UK-72), and egg weight in 60-week-old chickens (line cross CD). Thus, the QTL marked with SNP2-1 has a pleiotropic effect that depends on the chicken strain. Candidate genes located on chromosome 4 in close vicinity of SNP2-1 are discussed.

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Authors and Affiliations

  1. Research Institute of Farm Animal Genetics and Breeding, Russian Academy of Agricultural Sciences, Pushkin, St. Petersburg, 196601, Russia

    O. Yu. Barkova & M. G. Smaragdov

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  1. O. Yu. Barkova
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  2. M. G. Smaragdov
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Correspondence to M. G. Smaragdov.

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Original Russian Text © O.Yu. Barkova, M.G. Smaragdov, 2013, published in Genetika, 2013, Vol. 49, No. 7, pp. 856–861.

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Barkova, O.Y., Smaragdov, M.G. Association of a single nucleotide substitution in intergenic region of chromosome 4 with traits of egg quality in domestic chickens. Russ J Genet 49, 746–750 (2013). https://doi.org/10.1134/S1022795413070028

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  • DOI: https://doi.org/10.1134/S1022795413070028

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