G. R. Svishcheva, M. T. Semina, E. A. Konorov, E. A. Nikolaeva, S. N. Kashtanov, K. A. Laishev, A. A. Yuzhakov, Yu. A. Stolpovsky
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引用次数: 0
Abstract
The breeding potential of reindeer husbandry is determined by competent work with genetic resources; therefore, the study of the phenotypic traits of reindeer must be carried out in combination with the study of the features of their gene pools. In this work, we analyzed the correlations and genetic associations of phenotypic traits in 98 female reindeer (Rangifertarandus) of the Nenets breed aged from 3 to 9 years in a comparative fashion according to the main body measurements and physique indices calculated from these measurements. A panel of 16 microsatellite loci (BMS1788, RT30, RT1, RT9, C143, RT7, OHEQ, FCB193, RT6, C217, RT24, C32, BMS745 NVHRT16, T40, and C276) was used for analysis. The search for relationships between the genotype and phenotype of reindeer was performed using regression analysis; only for three phenotypic traits—height at withers, chest depth, and the stretch index—nonzero heritability was revealed. Using correlation analysis, we found that the live weight of adult females, taking into account age and genetic relationship, has a high positive correlation with the height at withers (r ≈ 0.70), chest girth (r ≈ 0.79), and chest depth (r ≈ 0.73).
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