
Keywords: AIA، خاکستر نامحلول اسید; ADFI, average daily feed intake; AIA, acid insoluble ash; FCR, feed conversion ratio; HDL, high-density lipoproteins; IBV, infectious bronchitis virus; LDL, low-density lipoproteins; MOS, mannan-oligosaccharides; NDV, Newcastle disease virus; SRBC, sheep