Broiler Chicks Growth Performance and Carcass Traits as Influenced by Feed Form and Enzyme Supplementation
Broiler Chicks Growth Performance and Carcass Traits as Influenced by Feed Form and Enzyme Supplementation
Kh. Amber1, S.G. Kotb1, W.A. Morsy2* and W. Khalifa1
ABSTRACT
This study aimed to evaluate the effects of three feed forms (pellet, crumble and mash) with or without CIBENZA enzyme supplementing (0.005%) on growth performance, blood parameters, and carcass traits of broiler. A total number of 576 unsexed one-day-old Cobb broiler chicks were grown over a 35-d period. Chicks were similar concerning body weight and sex. The experimental design was factorial 3x2; three forms of feed (pellet, crumble, and mash) with or without supplementing CIBENZA enzyme (0.005%) in diets. All diets were nearly iso-nitrogenous and iso-caloric based on digestible energy and contained similar levels of microelements. The results showed that chicks fed pellets diet recorded the highest final body weight, while those fed mash diet had the lowest value (P<0.001). Enzyme supplementing in diets led to a significant increase in final body weight by 1.04%, as compared with un-supplemented diets. Chicks fed pellets diet had the highest carcass weight percentage; while those fed mash diet had the lowest value (P<0.05). Serum total protein was significantly decreased with chicks fed mash diet, as compared with those fed pellets and crumble diets. Conclusively, it could be concluded that pellets feed form in broiler nutrition improved growth performance, feed efficiency, and blood metabolite profile when compared to crumble and mash feed form. Supplementation of protease enzyme in diets enhanced growth performance of broiler chickens.
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