Compiled by Robert K. Cropp, UW-Extension, Pepin County, 2004.
Jones, Bruce and Shaver, Randy, University of Wisconsin, Center for Dairy Profitability and Department of Dairy Science, April 2004.
Frank, Gary / University of Wisconsin, Center for Dairy Profitability, November 1999.
Frank, Gary , University of Wisconsin, Center for Dairy Profitability. Paper presented at the UW Corn Silage Crop Processing Workshop, April 1999.