Reducing Heat Stress: Importance of Water
Heather Smith Thomas
Yourcattle.com
During hot weather, water is important to minimize effects of heat stress. Cattle use body water evaporation for cooling–via sweating and respiration. Robert Collier of the University of Arizona says, "Cattle increase evaporative heat loss by increasing their respiration rate and exchange of air through respiratory passages, which increases evaporation in the air passages.