Ultrasound steers cattle growers in right direction
Harrison Daily Times
In assembly line-like fashion, the cows moved from chute to chute, where at each stop, their flanks were slathered with vegetable oil. Standing in the sultry morning air, four people went wordlessly about their work, moving wand-like devices over the oiled-up hides and intently peering at monitors behind them. On the screens appeared black and white images of quivering life.