Dairy Barn Cleaning System March 13, 2013 by farmlifetoday How Farms WorkWed, March 13, 2013 1:48pmURL:Embed:Ever wonder how dairy farmers keep their barns clean? Become a bro ► http://bit.ly/XYVvDd Facebook ► http://on.fb.me/YpS8oH Donate ► http://bit.ly/DonatetoHFW