Rahimi, S., Dabagh Kakhki, J., Jabari, A., Haghrusta, A. (2014). 'The effect of probiotic primalac, prebiotic fermact and antibiotic virginiamycin on reduction colonization Clostridium perfringens in necrotic enteritis challenge model of broilers', Iranian Veterinary Journal, 10(4), pp. 39-46.