Recent multi-mycotoxin surveys indicate that mycotoxins do not occur individually and co-contamination of feed materials by more than one mycotoxin is the rule rather than the exception. Mycotoxins are secondary metabolites produced by fungi such as Aspergillus, Alternaria, Fusarium, Cladosporium, Claviceps, and Penicillium in crops while in the fields, during transportation, processing or in storage. […]