
Keywords: FCR، نسبت تبدیل خوراک; ADF, Iaverage daily feed intake; ADG, average daily gain; AGP, santibiotic growth promoters; BW, body weight; CD, crypt depth; FCR, feed conversion ratio; OEO, oregano essential oil; VCR, villus height to crypt depth ratio; VH, villus height; VLDL, very l