10/02/2012 02:12 pm ET

Device Sends Message To Swiss Farmer When Cow Is In Heat

ZOLLIKOFEN, Switzerland — When Christian Oesch was a boy on his family’s hog farm, cellphones were a thing of the future. Now, Mr. Oesch tends a herd of dairy cattle and carries a smartphone wherever he goes. Occasionally he gets an SMS from one of his cows.

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