https://www.sigmaaldrich.com/AT/en/technical-documents/protocol/food-and-beverage-testing-and-manufacturing/chemical-analysis-for-food-and-beverage/veterinary-drug-residues
The use of veterinary drugs may be integral to the process of raising food producing animals and fish. These can include antibiotics, hormones, and steroids.
veterinary drug residues
https://www.waters.com/nextgen/sg/en/library/application-notes/2004/determination-of-nitrofuran-veterinary-drug-residues-using-waters-micromass-quattro-premier-tandem-mass-spectrometer.html
This application note describes the performance of the Quattro Premier Mass Spectrometer for the analysis of bound nitrofuran metabolites in chicken meat.
veterinary drug residuesdeterminationnitrofuranusingwaters