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Darlene Wiggers, a dairy manager on the H. E. Heindel & Sons dairy farm, watches a cow being milked with a robotic milking machine without any human assistance on the farm in Brogue, Pa., Wednesday, Feb. 20, 2002. A laser locates a cows nipples which are cleaned with disinfectant and then suction tubes with vacuum-activated rubber rings on each tube automatically attach and massage each nipple prompting the cow to release its milk. (AP Photo/Paul Vathis) |