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International Journal of Poultry Science

Year: 2005  |  Volume: 4  |  Issue: 11  |  Page No.: 891 - 895

Effect of Potassium Chloride and Sodium Bicarbonate Supplementation on Thermotolerance of Broilers Exposed to Heat Stress

M.T. Naseem, Shamoon Naseem, M. Younus, Zafar Iqbal Ch., Aamir Ghafoor, Asim Aslam and S. Akhter


A total of 100-day-old broiler chicken were randomly divided into five groups and kept under elevated temperature (95-98.6oF) to observe the effect of potassium chloride and sodium bicarbonate on the weight gain, feed conversion ratio (FCR), serum potassium and serum bicarbonate level. Thermostress lead to significant in decrease (P< 0.05) weight gain, serum potassium and serum bicarbonate level, while FCR was increased. During heat stress, KCl and NaHCO3 at levels of 1.5% and 0.5% respectively, improved weight gain, and FCR and significantly increased (P< 0.05) serum potassium and bicarbonate level. The results showed that combination of KCl and NaHCO3 supplementation alleviated the negative effects of heat stress in broilers.

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