Trace Minerals for California Beef Cattle 

University of California, Cooperative Extension

Links

UC Cooperative Extension (Division of Agriculture and Natural Resources)
http://www.danr.ucop.edu/danrdir

National Animal Health Monitoring System (NAHMS)
http://www.aphis.usda.gov/vs/ceah/cahm/

Montana State University, Extension, Beef/Cattle
http://agadsrv.msu.montana.edu/Extension/Beef-JP/Gov.Conf/ansotegui.html.

Missouri University Extension, Mineral Report
http://www.muextension.missouri.edu/xplor/agguides/ansci/g02081.htm

USDA, Agricultural Research Service
http://www.ars.usda.gov

Virginia Cooperative Extension (Mineral mix information)
http://www.ext.vt.edu/news/periodicals/livestock/aps-95_04/aps-25.html

National Agriculture Library (NAL)
http://www.nalusda.gov

National Agriculture Statistics (NASS)
http://www.usda.gov/nass