The Effect of Lighting Program and Melatonin on the Alleviation of the Negative Impact of Heat Stress on the Immune Response in Broiler Chickens

Ahmed O. Abbas, Ahmed E. Gehad, Gilbert L. Hendricks III, H.B.A. Gharib and Magdi M. Mashaly

International Journal of Poultry Science 6 ( 9 ): 651 - 660 , 2007