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| This study was conducted to investigate the effect of different physical forms of diet (mash, crumble, and pellets) on some growth traits and carcass characteristics of broilers. Chicks (n=300, Ross 308) were distributed in a factorial arrangement with 3 treatments and 2 replicates (50 birds/replicates). The weight gain (WG), feed intake (FI), feed conversion ratio (FCR), and mortality rate were measured during the experimental periods (1-42 d). Some carcass traits were recorded at the end of the experiment (42 days) including weight of carcass, thigh, breast, and abdominal fat. Results revealed that WG and FI were significantly (P<0.05) improved and FCR was significantly (P<0.05) lower in broiler fed crumble and pellet diet than mash during the three periods (22-32 d, 33-42 d and 1-42 d). The significant (P<0.05) improvement was also found in carcass weight, thigh and breast. The superiority of broiler fed crumble and pellet was extended to include each of Performance Index (PI), European Production Efficiency Factors (EPEF) and European Broiler Index (EBI). The mortality rate was not significantly differed across all three diet forms. The results of the present study give an impression that crumble and pellet form of feed is better than mash for the productive performance of commercial broiler during the age of 21 to 42 days.

The Impact of Different Dietary Forms (Mash, Crumble and Pellets) on Some Growth Traits and Carcass Characteristics of Broilers