Research shows that dry cows and bred heifers are just as vulnerable to heat stress, even if the signs are less visible. When a dry cow or bred heifer experiences heat stress, her unborn calf does too writes Taylor Leach who shares the long term effects of heat stress on the dairy herd. Source: Bovine Practitioner, June 2, 2025. Link. While the lactating herd often gets the … [Read more...]