01423nam 2200373 a 450 991070139390332120120613160834.0(CKB)5470000002417124(OCoLC)770099329(EXLCZ)99547000000241712420120103d1951 uy 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierList of sires proved in dairy-herd-improvement associations, 1951[electronic resource] /compiled by the Division of Dairy Herd Improvement Investigations, Bureau of Dairy Industry, Agricultural Research AdministrationWashington, D.C. :U.S. Dept. of Agriculture,1951.1 online resource (218 pages)Agriculture handbook / United States Department of Agriculture ;no. 21Title from title screen (viewed on Jan. 3, 2012)."May, 1951."Includes bibliographical references.Dairy cattle breedsDairy cattleBreedingDairy cattle breeds.Dairy cattleBreeding.United States.Division of Dairy Herd Improvement Investigations.GPOGPOBOOK9910701393903321List of sires proved in dairy-herd-improvement associations, 19513114564UNINA