Besides CXCL1, also CXCL2 and CXCL3 homologues have been increased in Staphylococcus aureus lipoteichoic acid-induced mastitis39, and expressions of CXCL1 and CXCL3 were increased following Salmonella infection in cattle40. Here, CXCL2 is linked to Salmonella Infections.