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This June 24, 2013, photo shows cows at the Kieffer family farm in Utica, Minn. The Kieffers are a two-generation operation using five robots on 300 cows. Robotic milkers, or automated milking systems, are becoming increasingly popular across Minnesota, as producers look to boost milk production and cut labor costs. (AP Photo/Minnesota Public Radio, Alex Forster)

'Precision dairy' systems on rise in Minnesota

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UTICA, Minn. (AP) — In a small room inside Gary Kieffer's dairy barn, a cow walks into a metal box. It's milking time on the farm. Humans are not required.


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