Hebatallah Elshafaei

I. INTRODUCTIONHeat stress is considered one of the important factors affecting the profitability of the poultry industry in hot climates. Significant economic losses occur due to high mortality, impaired feed efficiency and poorer growth rates (Lara and Rostagno, 2013). Periods of high temperature prior to transport and processing can further compound these adverse effects. One of the physiologic ...