Throughput in the parlor is much faster now that Si-Ellen Dairy in Jerome, Idaho, has installed 0.875-inch-diameter milk hoses rather than 0.625-inch hoses.

"We love it," manager Todd Roth says of the change to 0.875-inch hoses. "We probably will never go back to a 0.625-inch hose again."

Prior to installing the 0.875-inch hoses, one of the dairy's milking parlors - a double-36 - was handling about 2,800 cows per day, Roth says. After switching to 0.875-inch hoses, that parlor was handling about 3,200 cows per day.

Roth adds that udder health is improved, because the milking units aren't staying on the cows as long.