Download Full Text (108 KB)
Heat stress indices (HIS) combine the effects of both temperature and relative humidity, and are classified into alert, danger, and emergency zones. Because different animal species and humans have different sensitivities to temperature and relative humidity, the heat stress charts are thus unique of that particular species.
Livestock Industry Facilities and Environment
Iowa State University Extension and Outreach
Agricultural and Biosystems Engineering
Agricultural Education | Bioresource and Agricultural Engineering
Iowa State University Extension and Outreach publications in Digital Repository @ Iowa State University are made available for historical purposes only. The information contained in these publications may be out of date. For current publications and information from Iowa State University Extension and Outreach, please visit http://www.extension.iastate.edu.
Xin, Hongwei and Harmon, Jay D., "Livestock Industry Facilities and Environment: Heat Stress Indices for Livestock" (1998). Agriculture and Environment Extension Publications. 163.