Virginia Cooperative Extension2017-03-092017-03-091992http://hdl.handle.net/10919/75823Discusses ERPA as a prediction of a dairy cow's future yield relative to other cows currently in the herd.4 pagesapplication/pdfen-USVirginia Cooperative Extension materials are available for public use, re-print, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.Dairy cattle -- ProductivityDairying -- Economic aspectsDairy cattle -- ManagementExtension publicationDairy cattleProductivityManagement