TY - JOUR AU - Akbari, G. AU - Zarei, A. AU - , TI - The Effect of Echinacea purpurea Extract on Performance, and Interleukin-2 Gene Expression in Broilers JO - Iranian Journal of Applied Animal Science VL - 15 IS - 1 SP - 143 EP - 153 PY - 2025 DO - https://doi.org/10.71798/ijas.2025.1203008 ER -