Effect of Synbiotic (Bacflora) on Performance and Dressing Percentage of Broiler Chicken

Abstract

A study was conducted at the college of Animal Production Science and Technology, Sudan University of Science and Technology, Poultry Farm to evaluate the effect of addition synbiotic in broiler diets on performance parameters and dressing percentage. A total of one hundred and twenty (7 days old) unsexed broiler chicks (Hubbard F15) of 114g average weight were randomly divided into three groups (40chicks/group). Each group was sub divided into four replicates (10 chicks in each). Experimental diets were formulated twice to meet the nutrient requirements of broiler chicks during the starter and finisher periods. The control diets contained 0% synbiotic and the other diets contained (0.25%, 0.375%) synbiotic. Complete randomized design was used to analyze the obtained data of the study and subjected to one way-ANONA followed by least significant difference (LSD) to test the differences among the groups. The results showed no significant effect of different levels of synbiotic groups on the studied performance parameters with exception of the fourth week of feed conversion ratio, protein efficiency ratio and energy efficiency ratio. Also the results revealed no significant differences on the studied carcass characteristics. The study conclusion was no significant effect of added different levels of synbiotic on the performance and the dressing % of broiler chickens was observed.