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Use Of Evaporative Cooling Systems And Their Effects On Core Body Temperature And Lying Times In Lactating Dairy Cattle, Jared R. Johnson, Michael Brouk, L. Mendonca, J. P. Harner
Use Of Evaporative Cooling Systems And Their Effects On Core Body Temperature And Lying Times In Lactating Dairy Cattle, Jared R. Johnson, Michael Brouk, L. Mendonca, J. P. Harner
Kansas Agricultural Experiment Station Research Reports
A study was performed to assess the effect of an evaporative cooling system on respiration rates, rear udder temperature (Tu), core body temperature (CBT), and resting time in lactating dairy cows. Cows were divided into two treatment groups and rotated between two facilities. Cows were either housed in a bedded pack barn (PACK) equipped with an evaporative cooling system (Cyclone fans, Chippewa Falls, WI) or a tie-stall barn (TIE) equipped with cooling cells. Cows housed in PACK had two cooling treatments: FAN (Cyclone fans only, no fog); and FANFOG (Cyclone fans and fog on). Groups of cows rotated …