Mayflower Brewing Company article - March 23, 2009

 Carl O'Neil of O'Neil Farm in Duxbury was at the (Mayflower Brewing Company) loading dock filling his pickup truck with containers of spent malt that had contributed sweetness and flavor to the beer and would now be fodder for his cattle.
http://www.boston.com/lifestyle/food/articles/2008/03/23/new_brews_from_where_the_pilgrims_drank/