agriculturalpollution agriculturedurable analysis animalfeed animalnutrition arzneimittel bacterialgrowth bagging canada collectorsandcollecting composition congresses contamination cornasfood diseasesandpests ediblegrain environmentaltoxicology farmsupplies feedingandfeeds food foodcontamination forageplants fumonisins grasses history hormon hormonesinanimalnutrition michigan microbiology mycotoxins packaging pastures polybrominatedbiphenyls preservation ruminants sustainableagriculture tierhaltung toxicity toxicology umweltbelastung unitedstates veterinarytoxicology water zeamays