Assessment of Heat Stress in Kentucky Dairy Cows

The primary objective of this study is to assess heat stress in dairy cattle in 12 Kentucky dairy farms, comparing the housing and heat abatement strategies of each farm in contrast to the severity of heat stress expressed by the cows. Twelve farms across the state of Kentucky will be observed. Farms will be evaluated based upon their structure and housing system. haracteristics the farms contain, such as specific ventilation or cooling systems, will be observed and documented. Cows within the herd will be observed for panting or sweating.Body temperatures of randomly selected cows within the herd will be documented. Air temperature and humidity for the day of the visit will be documented as well as the specific temperature and humidity index for the specific time of the visit that day.