The Effect of Jordanian Herbs on Gut Microflora, and Immunity of Broiler Chickens

The study aimed to examine and compare the influence of adding synthetic antioxidant butylated hydroxyanisole (BHA), with two herbal medical plants (Oregano germander) on broiler gut microflora, its immunity. One hundred forty broilers were raised for three weeks distributed into five treatment groups. prepared dietary treatments included (w/w):1). Control (without supplement) 2). Germander (GER; inclusion level 1.5 %) 3). Oregano (ORE; 2.5 4). Combination GER ORE (CM; levels %, respectively)5). BHA (0.02 %). highest total number ileal lactobacilli counts was found in fed CM treatment. On other hand, their disgust samples (i.e. CM) showed lowest count Escherichia coli compared treatments. Among different treatments, best positive effect immune system response, where it Bursa Fabricius relative weight, IgG values. Overall, results that such ORE)positively enhanced bird's immunity response.