Abdulwahid, Mushtaq. 2019. Effect of Injection the Broiler Hatching Eggs With Vitamin E and Cod Liver Oil on Some Their Productive Traits and Immune Response to Newcastle Disease Vaccine. المجلة الطبية البيطرية العراقية 37 (2), 199-205. http://jcovm.uobaghdad.edu.iq/index.php/Iraqijvm/article/view/292.