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.
