A 2007 study found the "transgenic proteins expressed in maize were found in two (0.96%) of 208 samples from farmers' fields, located in two (8%) of 25 sampled communities."
Un estudo de 2007 informou que "se atoparan proteínas transxénicas expresadas no millo en dúas (0,96%) de entre 208 mostras de campos de cultivo de granxas, localizadas en dúas (8%) das 25 comunidades mostreadas.