Association of LEI-146 and MCW-43 microsatellites with body weights in bantam, bantamised white leghorn and white leghorn chicken

Pandya, G.M.; Singh, Satinder; Joshi, C.G.; Rank, D.N.; Khanna, Kuldeep; Barot, V.N. and Solanki, J.V. (2005) Association of LEI-146 and MCW-43 microsatellites with body weights in bantam, bantamised white leghorn and white leghorn chicken. Indian Journal of Poultry Science, 40 (1). pp. 9-15.

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Abstract

Microsatellite markers have been studied for their association with growth traits in chicken. The object of this study was to investigate if the autosomal dwarf (adw) locus which is located in close proximity of LEI-146 and MCW -43 microsatellites, is associated with small body size of Bantam chicken. The samples were collected from 21 Bantam, 26 White Leghorn and 35 Bantamised White Leghorn birds and microsatellite analysis was carried out by 7% denaturing PAGE. Three and four alleles were found with LEI-146 and MCW-43 markers, respectively. The birds with having 1,1 and 1,3 genotypes for LEI-146 marker, had lowest body weight at all the ages, while birds with genotypes 2,2 and 3,3 were having highest body weight at all the ages. Birds with 1,3 and 4,4 genotypes for MCW43 markers were having highest body weight while birds with 1,2 and 2,3 genotypes were having lowest body weight at all the ages. Although the results point towards the association of these micro satellite loci with the body weight, they were statistically non-significant.

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