Effect of different levels of Heracleum Persicum seed in diet on performance, immune system, antioxidant capacity, concentrations of estrogen and some blood parameters in broiler chickens

For evaluation the effect of Heracleum Persicum on performance, immunity, antioxidant activity, estrogen and some blood parameters of broiler chickens, a total of 192 Ross 308 broilers were trained in a completely randomized design with 4 treatments, 4 replicates and 12 observations in each replicate. Treatments were included the levels of zero (control(, 0.3, 0.6 and 0.9% of Heracleum Persicum seed powder in diet. Heracleum seed levels caused the higher weight gain and feed intake in starter, grower and total rearing periods (P