Use of blends of organic acids and oregano extracts in feed and water of broiler chickens to control Salmonella Enteritidis persistence in the crop and ceca of experimentally infected birds - MacHado, P C, jr.; Beiraõ, B CB; Fernandes Filho, T; Lourenço, M C; Joineau, M L; Santin, E; Caron, L F (J Appl Poult Res, 2014)