Mapping QTL for performance and carcass traits in chicken chromosomes 6, 7, 8, 11 and 13

Ana Silvia A M T Moura, C. Boschiero, R L R Campos, M. Ambo, K. Nones, M. C. Ledur, M. F. Rosario, C M R Melo, Dave Burt, L. L. Coutinho

Research output: Contribution to conferencePaper

Abstract

A Brazilian F2 resource population, derived from a broiler layer cross, was used to map QTL for performance, carcass traits and organs weight on chicken chromosomes 6 to 8, 11 and 13. A total of 356 F2 chickens from four full-sib families were genotyped with 26 microsatellite markers. Regression methods were applied to a line cross model in the QTL interval mapping analyses. A suggestive QTL affecting five growth-related traits and feed intake was identified on chromosome 7. QTLs associated with feet weight were detected on chromosomes 6 and 11, with gizzard weight on chromosomes 8 and 11, and with heart weight on chromosome 13.
Original languageEnglish
Publication statusPublished - 13 Aug 2006
Event8th World Congress on Genetics Applied to Livestock Production - Belo Horizonte, Brazil
Duration: 13 Aug 200618 Aug 2006

Conference

Conference8th World Congress on Genetics Applied to Livestock Production
CountryBrazil
CityBelo Horizonte
Period13/08/0618/08/06

Keywords

  • Broilers
  • Carcass quality
  • Chromosome Mapping
  • Chromosomes
  • feed intake
  • gene mapping
  • Genotype
  • Growth
  • heart
  • performance traits
  • Poultry
  • Quantitative Trait Loci

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