The Canadian Food Inspection Agency (CFIA) is warning consumers not to consume Naturally Raised Rowe Farm Meats brand All Beef Wieners, as they may be contaminated with Listeria monocytogenes. The affected product is sold in packages of varying weights and has the following information appearing on the back label of the package: All Beef Wieners,  42A,  Packed On "FE 22",  and Sell By "MR 24".