Overcrowding stress decreases macrophage activity and increases Salmonella Enteritidis invasion in broiler chickens - Gomes, A. V. S.; Quinteiro Filho, Wanderley Moreno; Ribeiro, A.; Ferraz de Paula, Viviane; Pinheiro, M. L.; Baskeville, E.; Akamine, Adriana Tiemi; Astolfi-Ferreira, Claudete Serraro; Ferreira, Antonio José Piantino; Palermo-Neto, João (Avian Pathology, 2014)