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Title: Validation of a microsatellite panel for parentage testing of locally adapted and commercial goats in Brazil
Authors: Silva, Elizabete Cristina da
Pimentel, Concepta Margaret McManus
Guimarães, Maria Pia Souza Lima Mattos de Paiva
Gouveia, Aurora M.G.
Facó, Olivardo
Pimentel, Daniel M.
Caetano, Alexandre Rodrigues
Paiva, Samuel Rezende
Assunto:: parentage errors
animal breeding
animal genetic resources
Capra hircus
Issue Date: 2014
Publisher: Sociedade Brasileira de Genética
Citation: Genet. Mol. Biol.,v.37,n.1,p.54-60,2014
Abstract: Brazilian goats are generally kept in small herds and extensive rearing systems, mainly in the northeastern region of the country. Despite production improvement in recent years, the lack of pedigree control has affected genetic progress. This study aimed to validate a panel of 16 microsatellites for parentage testing in locally adapted and commercial goats breeds raised in Brazil, as well as to compare its efficiency with the panel recommended by the Brazilian Ministry of Agriculture, Livestock and Supplies (MAPA) in 2004. The number of alleles and expected heterozygosity (He) per marker ranged from four to 18, and from 0.051 to 0.831, respectively. Using all markers, 100% of parentage cases of the validation dataset were resolved with a strict confidence level of 95%. The 16 microsatellites panel showed adequate exclusion power (99.99%) and identity accuracy (99.99%). Suggestions for improvement of the marker panel endorsed by MAPA are provided.
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