01421oam 2200373 a 450 991070140100332120111227124607.0(CKB)5470000002417053(OCoLC)769455602(EXLCZ)99547000000241705320111227d1950 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierList of sires proved in dairy-herd-improvement associations, 1950 /[electronic resource]compiled by Division of Dairy Herd Improvement Investigations, Bureau of Dairy Industry, Agricultural Research AdministrationWashington, D.C. :U.S. Dept. of Agriculture,1950.1 online resource (284 unnumbered pages)Agriculture handbook / United States Department of Agriculture ;no. 7Title from title screen (viewed on Dec. 27, 2011).Includes bibliographical references.Dairy cattle breedsDairy cattleBreedingDairy cattle breeds.Dairy cattleBreeding.United States.Division of Dairy Herd Improvement Investigations.GPOGPOGPOBOOK9910701401003321List of sires proved in dairy-herd-improvement associations, 19503123606UNINA