Author/Authors :
Nikpiran، Hosein نويسنده Department of Animal Science, Faculty of Veterinary Medicine, Tabriz Branch, Islamic Azad University, Tabriz, Iran , , Taghavi، Mehdi نويسنده Young Researchers And Elite Club, Tabriz Branch, Islamic Azad University, Tabriz, Iran , , Khodadadi، Abbas ali نويسنده , , Athari، Seyyed Shamsadin نويسنده Young Researchers And Elite Club, Tabriz Branch, Islamic Azad University, Tabriz, Iran ,
Abstract :
This experiment was conducted to study the effect of probiotic and prebiotic as growth promoting agents and as a potential alternative to antibiotic, on performance and immune responses in broiler chickens.Each diet was fed ad libitum to six replicates for three treatment groups consisted of twenty birds in each pen from 1 to 42 day old. Body mass gain and feed efficiency at 21 and 42 days of age were affected (P < 0.05) by supplementing prebiotic in broiler diet. Antibody production to Newcastle disease vaccination and sheep red blood cell were affected (P < 0.05) by probiotic-treated birds. Furthermore, the supplementation of the diet led to the improvement of performance and immune status in treated groups with prebiotic and probiotic respectively.
