Virginia Cooperative ExtensionCassell, Bennet G.2017-03-092017-03-091992http://hdl.handle.net/10919/75827Examines the role of the sire in calving difficulty and presents recommendations for choosing sires.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 -- ParturitionDairy cattle -- BreedingUsing sire evaluations to reduce calving difficultyDairyExtension publicationDairy cattleBreedingCalving