Moeini, M.M., Ghazi, S.H., Sadeghi, S., Malekizadeh, M. (2013). The Effect of Red Pepper (Capsicum annuum) and Marigold Flower (Tageteserectus) Powder on Egg Production, Egg Yolk Color and Some Blood Metabolites of Laying Hens. *Iranian Journal of Applied Animal Science*, 3(2), 301-305.