SIOUX FALLS, S.D. (AP) — Game bird producers in the Midwest are ramping up disease prevention measures in an effort to shield their multi-billion-dollar industry from the highly contagious avian influenza outbreak sweeping the region's poultry producers. The deadly H5N2 strain of avian influenza has cost turkey and chicken producers millions of birds but the virus hasn't affected game bird producers who supply the nation's hunting preserves. Bill MacFarlane runs the largest pheasant operation in North America.Read more on NewsOK.com