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Genetic diversity of Brazilian Brahman cattle by pedigree analysis PAB
Cavani,Ligia; Silva,Rafael Medeiros de Oliveira; Carreño,Luis Orlando Duitama; Ono,Rafael Keith; Bertipaglia,Tássia Souza; Farah,Michel Marques; Millen,Danilo Domingues; Fonseca,Ricardo da.
Abstract: The objective of this work was to evaluate the genetic diversity of Brahman cattle in Brazil with pedigree analysis. Genealogical records of a subpopulation were used considering all pedigree information (Pt) and the pedigree information divided into two periods (P1, from 1994 to 2004; and P2, from 2005 to 2012) or according to the raising system (Ppt, animals on pasture; or Pst, on stable). Estimates were obtained for average inbreeding coefficients, generation intervals (GI), number of equivalent known generation (CGE), number of founders (Nf), effective number of founders (fe), effective number of ancestors (fa), and founder genome equivalents (fg). The average inbreeding coefficients were 11.97, 7.79, 11.95, 11.74, and 11.31% for Pt, P1, P2,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Beef cattle; Founders; Genetic bottleneck; Inbreeding.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2018000100074
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