THE DAIRY CATTLE CENTER
'(<a href="http://www.j-archive.com/media/2008-05-12_J_08.jpg" target="_blank">Cheryl reads the clue at the Babcock Hall Dairy in Wisconsin.</a>)<br />To simulate the sucking of a calf and prevent damage to the udder, the milk vacuum uses this type of regular rhythm from the Latin for "beat"'
pulse