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Genome-wide association QTL mapping for teat number in a purebred population of Duroc pigs.
- Source :
-
Animal Genetics . Oct2015, Vol. 46 Issue 5, p571-575. 5p. - Publication Year :
- 2015
-
Abstract
- Because of increasing litter size in Western pig breeds, additional teats are desirable to increase the capacity for nursing offspring. We applied genome-wide SNP markers to detect QTL regions that affect teat number in a Duroc population. We phenotyped 1024 animals for total teat number. A total of 36 588 SNPs on autosomes were used in the analysis. The estimated heritability for teat number was 0.34 ± 0.05 on the basis of a genomic relationship matrix constructed from all SNP markers. Using a BayesC method, we identified a total of 18 QTL regions that affected teat number in Duroc pigs; 9 of the 18 regions were newly detected. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 02689146
- Volume :
- 46
- Issue :
- 5
- Database :
- Academic Search Index
- Journal :
- Animal Genetics
- Publication Type :
- Academic Journal
- Accession number :
- 109907180
- Full Text :
- https://doi.org/10.1111/age.12331