TY - JOUR AU - Paymard, J. AU - Nobakht, A. AU - Mazlum, F. AU - Moghaddam, M. TI - The Effects of Different Levels of Dried Aerial Parts Powder and Extract of Pennyroyal­ (Mentha pulegium) Medicinal Plant on Performance, Egg Quality, Blood Biochemical and Immunity Parameters of Laying Hens JO - Iranian Journal of Applied Animal Science VL - 3 IS - 3 SP - 589 EP - 594 PY - 2013 DO - ER -