A mycotoxin is a toxic secondary metabolite produced by organisms of the fungi kingdom, commonly known as moulds. The term ‘mycotoxin’ is usually reserved for the toxic chemical products produced by fungi that readily colonise crops. This section gives you an update on the different mycotoxin groups and which mycotoxin species fall under each group. Also the occurrence per region is mentioned and the effects per animal species. Click on the words around the grain picture to read more about the individual mycotoxins per group.