At least four dairies in Oregon's Willamette Valley have bought into the "new thing" in dairy farming: buying waterbeds for their cows. "There's four or five dairies in the Willamette Valley that have them. It's really beginning to catch on around here," Kevin Krous with NW Dairy Service told KGW The cow waterbed trend reportedly first began in Minnesota but is now starting to catch on the West Coast. For example, the Van Loon Dairy has purchased more than 300 such beds for their cows, at a cost of more than $100,000. "As the cow gets ready to lie down,...