2014-08-062014-08-061951https://hdl.handle.net/10365/23686Abstract from a monograph report by A. L. Harvey and E. F. Ferrin, Division of Animal Husbandry, University of Minnesota; and O. M. Kiser, H. D. Fausch, and T. M. McCall, Northwest School and Station, Crookston MinnesotaNorth Dakota State UniversityArticle