United States. Department of Agriculture. Animal and Plant Health Inspection Service.2007-04-112007-04-112004-08How to protect your birds (2004). United States. Department of Agriculture. Animal and Plant Health Inspection Service. Retrieved December 12, 2006, from USDA Animal and Plant Health Inspection Service (APHIS) web site: http://www.aphis.usda.gov/vs/birdbiosecurity/Downloads/mediakit/Key%20Steps.pdfhttps://hdl.handle.net/1805/8041 page.Six guidelines for preventing an outbreak of avian influenza in the American bird population.270349 bytesapplication/pdfen-USavian influenzaavian flubird influenzabird flubirdsUnited StatesAvian influenzaPoultryBirdsOther