Dry cow cooling also brings offspring benefits

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The dairy industry has known for years how important it is to provide supplemental cooling to dry cows. A 2016 study by Ferreira, et al. estimated New York dairy cows that experience heat stress during their dry period lose about 387 pounds of milk in their subsequent lactation. In 2018, Central New York experienced about 86 days of temperature and relative humidity high enough to cause significant heat stress in dairy cows. Unfortunately, many dry cow barns still have insufficient heat abatement strategies, and those farms will feel the economic impact. If a cow spends part of her dry period heat-stressed, not only will her next lactation performance decline, so will the performance of her calf, according to recent research.

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2019-07
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Progressive Dairyman
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dry cow; cooling; heat
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