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DairyTalk 546: Heat Stress Starts at the Water Trough: Managing Water for Better Dairy Performance - by Helmut Demmelhuber
This podcast episode is based on a scientific meta-analysis examining the impact of heat stress on water intake in lactating Holstein dairy cows. At the center of the discussion is how rising temperatures influence water requirements and what this means for animal health, milk production, and farm management. By combining evidence from multiple decades of research, the study demonstrates that cows under heat stress consume significantly more water and that water demand increases steadily with higher Temperature-Humidity Index (THI) values. It also highlights that effective heat-stress…
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