Skip to Main content Skip to Navigation
Journal articles

New QTL for resistance to Salmonella carrier-state identified on fowl microchromosomes

Abstract : Chicken's ability to carry Salmonella without displaying disease symptoms leads to an invisible propagation of Salmonella in poultry stocks. Using chicken lines more resistant to carrier state could improve both animal health and food safety. Previous studies identified several QTL for resistance to carrier state. To improve genome coverage and QTL detection power we produced a new set of 480 informative SNP markers and genotyped a larger number of animals. Ten additional microchromosomes could be covered when compared with previous studies. These new data led to the identification of 18 QTL significant at the chromosome-wide level. The only QTL significant at the genome-wide level were identified on microchromosomes 14 and 22 and have never been identified previously. Using a higher number of animals improved the power and the precision of QTL detection. Some of the QTL newly identified are located close to candidate genes or microsatellite markers previously identified for their involvement in the genetic control of resistance to Salmonella, which confirms their interest for selection purposes.
Document type :
Journal articles
Complete list of metadata
Contributor : Migration Prodinra Connect in order to contact the contributor
Submitted on : Friday, May 29, 2020 - 8:32:29 AM
Last modification on : Tuesday, December 7, 2021 - 10:34:44 AM

Links full text




Fanny Calenge, Alain Vignal, Julie Demars, Katia Feve, Pierrette Menanteau, et al.. New QTL for resistance to Salmonella carrier-state identified on fowl microchromosomes. Molecular Genetics and Genomics, Springer Verlag, 2011, 285 (3), pp.237-243. ⟨10.1007/s00438-011-0600-9⟩. ⟨hal-02647962⟩



Les métriques sont temporairement indisponibles