Microarray(2) chicken(2) S. Pullorum(1) survival mechanism(1) Genome(1) genetics(1) GWAS(1) Differentially expressed genes(1) Regulation(1) backcross(1) dd-GBS(1) Salmonella(1) Pullorum disease(1) Salmonella Pullorum(1) salmonellosis(1) quantitative trait loci.(1) cellular immunity(1) colonization(1)