The effect of supplementation of garlic and nilavembu on haematological and biochemical parameters of commercial broiler chicken was studied in 300 commercial broiler for a period of six weeks. There were 5 treatment groups and each treatment had three replicates with 20 chicks. | Effect of supplementation of garlic Allium sativum and Nilavembu Andrographis paniculata on hematological and serum biochemical parameters of commercial broiler chicken