Soya saponins ( SS ) have the ability to improve the intestinal microbiota and enhance intestinal immune function. While, there are few reports on their application in broiler production. The present study was designed to investigate effects of dietary supplementary with SS on the intestinal health of birds challenged with coccidia ( CC ). 180 male and healthy Cobb 500 broiler chickens with unifrom body weight were randomly divided into 3 treatment groups, those groups were named as the control group ( CTR ), the coccidia challenged group ( CC ...