Stress Factors Influencing some productive, Reproductive and Immunological traits in japanese Quails

The present study was conducted at the Experimental Building Unit, Faculty of Veterinary Medicine, Zagazig University. The main objective of this work was to study the effect of heat stress and stocking density on some productive, reproductive and immunol• Six hours heat stress group had the highest significant ( 0.05) value of heterophile cells (63.42%), while the lowest value recorded for control group (36.71%.•Six hours heat stress group had the lowest significant (p 0.05) value of lymphocytes (32.32%)• Six hours heat stress group showed significant lower (p < 0.05) total proteins concentration (3.36 g/dl), while the highest values recorded for control group (4.88 g/dl)•).