Quantitative trait loci associated with fatness in a broiler-layer cross

Campos, R. L. R., Nones, K., Ledur, M. C., Moura ASAMT, Pinto, L. F. B., Ambo, M., Boschiero, C., Ruy, D. C., Baron, E. E., Ninov, K., Altenhofen, C. A. B., Burt, D. W. and Coutinho, L. L. (2009) Quantitative trait loci associated with fatness in a broiler-layer cross. Animal Genetics, 40 5: 729-736. doi:10.1111/j.1365-2052.2009.01910.x

Author Campos, R. L. R.
Nones, K.
Ledur, M. C.
Pinto, L. F. B.
Ambo, M.
Boschiero, C.
Ruy, D. C.
Baron, E. E.
Ninov, K.
Altenhofen, C. A. B.
Burt, D. W.
Coutinho, L. L.
Title Quantitative trait loci associated with fatness in a broiler-layer cross
Journal name Animal Genetics   Check publisher's open access policy
ISSN 0268-9146
Publication date 2009-10
Sub-type Article (original research)
DOI 10.1111/j.1365-2052.2009.01910.x
Volume 40
Issue 5
Start page 729
End page 736
Total pages 8
Place of publication Oxford, United Kingdom
Publisher Wiley-Blackwell Publishing
Language eng
Formatted abstract
An F2 population established by crossing a broiler male line and a layer line was used to map quantitative trait loci (QTL) affecting abdominal fat weight, abdominal fat percentage and serum cholesterol and triglyceride concentrations. Two genetic models, the line-cross and the half-sib, were applied in the QTL analysis, both using the regression interval method. Three significant QTL and four suggestive QTL were mapped in the line-cross analysis and four significant and four suggestive QTL were mapped in the half-sib analysis. A total of five QTL were mapped for abdominal fat weight, six for abdominal fat percentage and four for triglyceride concentration in both analyses. New QTL associated with serum triglyceride concentration were mapped on GGA5, GGA23 and GG27. QTL mapped between markers LEI0029 and ADL0371 on GGA3 for abdominal fat percentage and abdominal fat weight and a suggestive QTL on GGA12 for abdominal fat percentage showed significant parent-of-origin effects. Some QTL mapped here match QTL regions mapped in previous studies using different populations, suggesting good candidate regions for fine-mapping and candidate gene searches.
Keyword Abdominal fat
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: Institute for Molecular Bioscience - Publications
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Created: Tue, 04 Oct 2011, 09:16:09 EST by Dr Katia Nones on behalf of Institute for Molecular Bioscience