2011-07-122011-07-121985https://hdl.handle.net/10365/17311V-860; Reprint. Originally published: Ames, Iowa : Cooperative Extension Service, Iowa State University, 1984.NDSU Agriculture and University Extension: Creative Commons Licensing Deed (http://creativecommons.org/licenses/by-nc-sa/3.0/)Livestock productivity.Cattle.Feeds.V-860