6Gupta S, Earley B, Crowe M A. Effect of 12-hour road trans- portation on physiological, immunological and haematological parameters in bulls housed at different space allowances[J]. Vet J,2007,173(3) :605-616.
7Tarrant P V, Kenny F J, Harrington D, et al. Long distance transportation of steers to slaughter : effect of stocking density on physiology, behaviour and carcass quality[J]. Livestock Production Sci, 1992,30 : 223-238.
9Deyhim F, Teeter R G. Effect of heat stress and drinking wa- ter salt supplements on plasma electrolytes and aldosterone concentration in broiler chickens [J]. Int J Biometerorol, 1995,38(4) ,216-217.
10Borges S A, Fischer D A,Silva A V, et al. Physiological re sponses of broiler chickens to heat stress and dietary electro lyte balance (sodium plus potassium minus chloride, mil liequivalents per kilogram)[J]. Poult Sci,2004,83(9):1551-1558.
