Body weights and feed intake of birds were measured at d 1, 21, and 42 of age and daily body weight gain
and feed conversion ratio (FCR) were computed. The weight and the time of bird death were recorded and
were used to modifying the total number of birds to determine the total feed intake per bird and FCR. In the
end of period two birds from each pen were selected randomly and were slaughtered. Different parts of the
body were separate and measured. Finally, the weight percentage of some organs (such as liver, pancreas and
abdominal fat) relative to the weight carcass was calculated.