Effect of Garlic Supplementation to Diet on Performance and Intestinal Morphology of Broiler Chickens under High Stocking Density

This study was designed to evaluate the impact of garlic powder (GAR) on performance and intestinal morphology when chicken were subjected to different stocking densities. A total 100 one-day old Cobb 500 male chicks were housed in cages as 10 birds/m2 and 15 birds/m2 . The chicks received feed as (i) basal diet + 0 g/kg garlic powder and (ii) basal diet + 5g/kg garlic powder supplementation from 1-42d. At the end of experiment, ten chicks per treatment randomly selected to collect duodenal samples. The results showed significant improvement in body weight and villi length when diet supplemented by GAR. High stocking density (HD) had negative impact on growth performance and villi length in basal diet, but chicken supplemented by GAR diet did not affect by HD in the both parameters. In conclusion, diet supplemented by GAR can improve performance and villi length when the chickens were subjected to HD condition.