In modern era, treatment methods become diversified and developed day by day and organic medicine is one of the modern technology which also introduced in our poultry sector. This experiment was conducted to evaluate the efficacy of Thankuni (Centella asiatica) and Kalo Jeera (Nigella sativa) powdered supplementation as a growth promoter in broiler chickens. A total of 20 day-old Cobb 500 broiler chicks were purchased from local hatchery and after seven days of acclimatization chicks were randomly divided into two groups, A and B. The group A was kept as control and fed on only normal balanced diet. The group B was treatment group fed on normal diet with additional supplementation of Thankuni and kalo jeera powder in water. For observation of growth rate, live body weight was taken at first day and every seven days interval up to 5th weeks. Besides it hematological tests were performed at 35th days for searching hematological changes in both control (A) and treatment (B) groups. The initial body weight of groups A and B on 1st day of this experiment were 43.00±0.56 gm and 42.50±0.35 gm, respectively and after 35th day of experiment final body weight were 1450±57.35 gm and 1700±58.56 gm (p
Thankuni,Kalo Jeera,Broiler,Body Weight,Profit.