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There is a great shortage in poultry feed ingredients in Egypt; therefore, this study was carried out to evaluate the usage of some food industry byproducts and wastes in broiler diets. The effects of partial substitution of yellow corn (YC) with two levels of corn crunches waste (CCW), potato chips scraps (PCS), potato starchy waste (PSW), or sugar beet pulp (SBP) on growth performance, carcass traits and economic efficiency of broiler chicks were understudy. A total number of 297 unsexed one-day old ROSS broiler chicks were equally assigned into nine dietary groups (control and 8 treatments), each group of three even replicates. Two levels of each of the four byproducts partially replaced 5% or 10% of YC in the 8 treatments diets. Body weight (BW), body weight gain (BWG), feed consumption (FC), feed conversion ratio (FCR), and relative economic efficiency (REE) were estimated for the whole experimental period (6 weeks). At the end of the experiment, 6 birds from each group were sacrificed for evaluating carcass traits. The results revealed that BW and BWG at 6 wks of age of the groups received 5% CCW or 10% PCS in replace of YC were not significantly different from the control group; however, the lowest BW and BWG were detected for the groups received PSW or SBP. There were no significant differences in FC and FCR between all groups, except those received SBP which were worse. In regard to carcass traits, no significant differences were detected between treatments in breast % and thigh; but eviscerated carcass weight, breast weight and thigh weight were significantly lower for the groups received SBP. The best net revenue was detected for the group received CCW instead of 5% YC, while the worst net revenue and REE were detected for SBP groups. In conclusion, corn crunches waste or potato chips scraps could replace 5% or 10% of YC; respectively, in broiler diets till 6 weeks of age without any adverse effect.

IMPACT OF FOOD INDUSTRY BYPRODUCTS AND WASTES ON BROILERS PERFORMANCE