Upper THI index and stress

Upper critical temperature-humidity index for dairy calves based on physiological stress variables Abstract: In this study, upper critical values of the temperature-humidity index (THI) were determined in Holstein bull calves (n = 16) based on noninvasive...

Heat stress through 1st lactation

In utero heat stress decreases calf survival and performance through the first lactation Abstract: Calves born to cows exposed to heat stress during late gestation (i.e., the dry period) have lower birth weight and weaning weight and compromised passive immune...

Heat stress all life cycle

Heat Stress Impacts Immune Status in Cows Across the Life Cycle Abstract: Heat stress has a myriad of effects on dairy cattle across the life cycle. Whereas, the most commonly recognized impacts are associated with production responses, emerging evidence indicates...