body - based automatic techniques, or chro- ride pesticides that can be present in animal matographic techniques (Reig and Toldrá products are within 0.02 and 1 mg/kg of fat, 2008). In the case of antibiotics, microbio- while in the United States they are estab- logical tests such as the European Four Plate lished between 0.1 and 7 mg/kg fat (Iamiceli Test can be used.