Heat slows down milk production - WREX.com – Rockford’s News Leader

Heat slows down milk production


Dairy cows feel the heat, and it's affecting how much milk they produce.

Last weeks hot spell caused a 6 percent drop in milk production at Douglas Mitchell Farm Trust in Winnebago. Farmer John Mitchell says the heat stresses the animals out. The cows are doing a bit better this week, but production is still down about 2 percent.

The farm's electric bills double between spring and summer in an effort to keep the cows cool so they can produce enough milk.

"The cow starts actually getting heat stressed when it's about 70 degrees so when it's at that point all of the fans in our farm are on and then once we hit 75 we start turning the sprinklers on the cows," said Mitchell.  

Mitchell says cooler nights will help the farm catch up on milk production.


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