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Tools for minimizing heat stress

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What happens to a cow when there is a rise in air temperature and humidity? Negative outcomes increase. Using a temperature-humidity index (THI) can help you identify the different levels of heat stress and how different ranges can negatively affect cow performance. See the chart that helps you pinpoint when to begin adjusting management and nutrition to minimize the impact of heat stress on your dairy herd.

Learn more about heat stress in the milking herd, plus how it can affect dry cows and the calf she is carrying. Get useful tools for minimizing the impact heat stress can have on your herd from our very own Hélène Leclerc. Check out her article:

Heat stress is detrimental to cows; protected B vitamins can help

This article appeared in Progressive Dairyman.

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An easier summer for you and your cows

Investing in nutrition and management during heat stress can provide a high return on investment. Cows of all stages of production can benefit from being managed and fed to reduce the impact of THI. Read more about the benefits of meeting your herd’s extra needs during hot weather, plus check out the informative Stress Threshold…

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Dry cows need love too – tips for helping them.

Heat-stressed dry cows will produce less milk, but there are ways to help them. It’s estimated that heat-stressed dry cows account for $810 million in milk loss annually in the United States (J. Dairy Sci. 99:9931-9941). Conversely, taking steps to cool dry cows was shown to add to farm profits. How does heat stress during the…

Read Article

An easier summer for you and your cows

Investing in nutrition and management during heat stress can provide a high return on investment. Cows of all stages of production can benefit from being managed and fed to reduce the impact of THI. Read more about the benefits of meeting your herd’s extra needs during hot weather, plus check out the informative Stress Threshold…

Read Article

Dry cows need love too – tips for helping them.

Heat-stressed dry cows will produce less milk, but there are ways to help them. It’s estimated that heat-stressed dry cows account for $810 million in milk loss annually in the United States (J. Dairy Sci. 99:9931-9941). Conversely, taking steps to cool dry cows was shown to add to farm profits. How does heat stress during the…

Read Article

Another reason to mitigate heat stress: effects on bovine mammary gland function

Heat stress lowers milk production by 25 to 40%. The economic losses it creates are well-documented. Are you familiar with the many ways in which heat stress causes harm? Research shows that during the dry period, heat stress can harm mammary growth and reduce milk yield in the following lactation. Evidence also suggests heat stress…

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