7Naseem M T, Shamoon Naseem, Younus M, et al. Effect of potassium chloride and sodium bicarbonate supplementation on thermotolerance of broilers ex- posed to heat stress[J]. International Journal of Poul- try Science,2005 (11) :891 - 895.
8Ahmad T, Mushtaq T, Khan M A, et al. Effect of po- tassium chloride supplementation in drinking water on broiler performance under heat stress conditions [J]. Poultry Science,2008(87) : 1276 -1280.
9Ahmad. Influence of varying dietary electrolyte bal- ance on broiler performance under tropical summer conditions [J]. Journal of Animal Physiology and Ani- mal Nutrition,2009 (93) :613 - 621.
10Ait -Boulahsen A, Garlich J D, Edens F W. Potas- sium chloride improves the thermotolerance of chickens exposed to acute heat stress [J]. Poultry Science, 1995 (74) :75 - 87.