ARG2 and Salmonella Infections: When we analyzed how certain chicks can hinder Salmonella multiplication in the long term (comparison between short- and long-term super-shedders (SLT-SS) with short-term super-shedders (ST-SS)) we observed that after Salmonella infection, chickens in the ST-SS group exhibited a higher expression of antimicrobial peptide (GAL6) and develop an anti-inflammatory micro-environment marked by a higher gene expression of IL10 and ARG2.