n The Dairy Mail - Scientifically cooler : technology

Volume 20, Issue 10
  • ISSN : 1561-4301


Heat stress can strike at unexpected times, as temperature increases on hot summer days can create a warm and stuffy environment. A local weather forecast will help to prepare for an upcoming hot day but one still needs to have a plan to relieve heat stress effectively. The management of heat stress comes down to maintaining a balance between the metabolic heat production of a cow and heat loss in high ambient temperatures. Heat-stressed dairy cows give rise to a decrease in feed intake, milk production and fertility, and an increase in mastitis.

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