bacteria in human have led the European Union and the United
States to pass legislation to ban the usage of antibiotics as
growth promoter. Consequently, the research now has been
focused on natural products such as plants or their extracts
as possible alternative to antibiotics [2]. Plants and their
extracts are known to possess many bioactive components
such as tannin, alkaloids, and essential oils which have both
antimicrobial and antioxidant activities [3–5]. These bioactive
components exert their beneficial effects by manipulating the
fourth and the fifth week
of age had significantly decreased the body weight