(AP) M.L. Johnson - Every step a cow takes and every mouthful she eats at Saxon Homestead Farm in Wisconsin is recorded by an electronic device on a collar around her neck sold by Israel-based SCR. Since cows in heat move more and digest less, farmers can use the data to determine when to breed them. Farmers said the systems reduce drug use, help cut labor costs and provide early warning of illness. Tom Breunig, SCR's general manager in the U.S., said 2 million cows worldwide wore his company's collars at the end of last year, and that number was expected to double in two years.
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