Genetic characterization of Koraput sheep of Odisha

Abstract

The genetic characterization of Koraput sheep population found in Odisha was accomplished using 24 microsatellite markers. Genetic diversity measures including within breed variability and presence of genetic bottleneck were determined. High measures of allele (9.33) and gene diversity (0.76) were observed across the population investigated. A significant positive FIS (0.12) value suggested a deficiency in the number of heterozygotes in Koraput sheep which may be attributed to population substructuring. The genetic variation available in a population is essential for its survival in the changing environmental conditions. Loss of genetic variation may result in reduced adaptability. For indigenous sheep populations like Koraput, changing climatic conditions, shrinking pastures, lesser availability of breeding rams may pose a threat to their survival.The availability of sufficient genetic diversity in Koraput sheep would thus help in devising suitable strategies for its genetic improvement, management and recognition at National level.