Effect of Different Levels of Egg Shell in Diet on the Production Performance, Egg Quality and Heavy Metal Contents in Laying Hens

M. R. Hassan, A. S. Naushinara, S. Sultana, M.A. G. Rabbani, S. Faruque, M. Shammi, M. M. Rahman, M. Khabiruddin and N. Sultana

International Journal of Poultry Science 21 ( 4 ): 159 - 165 , 2022