April 25-27. The 2011 annual conference of The American Dairy Products Institute, Elmhurst, Ill., and The American Butter Institute, Arlington, Va. at the Chicago Marriott Downtown in Chicago. www.adpi.org.

May 11-13.SIAL Canada 2011 at the Metro Toronto Convention Center. http://tinyurl.com/4ro5djo

May 18-20.SIAL China 2011 at the Shanghai New International Exhibition Center.http://tinyurl.com/4ro5djo

Sept. 19-21.2011 International Dairy Show, Georgia World Congress Center, Atlanta.www.dairyshow.com

Oct. 18-21. Cibus Tec, the International Exhibition on the Food Processing and Packaging in Parma, Italy. www.cibustec.it.