Evaluating the efficacy of cinnamaldehyde and Echinacea purpurea plant extract in broilers against Eimeria acervulina - Orengo, J; Buendía, A J; Ruiz-Ibáñez, M R; Madrid, J; Del Río, L; Catalá-Gregori, P; García, V; Hernández, F (Vet Parasitol, 2012)