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Quantitative trait loci for resistance to infection in sheep using a live Salmonella Abortusovis vaccine

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Lantier, Isabelle | Moreno-Romieux, Carole | Berthon, Patricia | Sallé, Guillaume, Salle | Pitel, Frederique | Schibler, Laurent, L. | Gautier-Bouchardon, A.V., A. | Boivin, R., R. | Weisbecker, Jean Louis, J. L. | Francois, Dominique | Bouix, Jacques, J. | Cribiu, Edmond, E. | Elsen, Jean Michel, J. M. | Lantier, Frédéric, F.

Edité par CCSD ; Wiley-Blackwell -

Quantitative trait loci (QTL) mapping for susceptibility to a Salmonella Abortusovis vaccinal strain was performed using an experimental design involving 30 Romane sheep sire families (1216 progenies). Nine QTL corresponding to bacterial load, weight variations and antibody response criteria were mapped on eight chromosomes, including the major histocompatibility complex area on chromosome 20. Surprisingly, none was found to be significant in the SLC11A1 region (formerly NRAMP1) that has been shown to influence Salmonella susceptibility in other species.

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