Residues of veterinary antibiotics in manures from pig and chicken farms in a context of antimicrobial use reduction by implementation of health and welfare plans

Marlène Z. Lacroix, Felipe Ramon‐Portugal, Alicia Huesca, Kyriacos Angastiniotis, Maro Simitopoulou, George Kefalas, Paolo Ferrari, Pierre Levallois, Christine Fourichon, M. Wolthuis-Fillerup, Kees De Roest, Alain Bousquet‐mélou