1. European Feed Manufacturers’ Federation (http://www.fefac.org).
2. Europran Commission, Regulation (EC) No 1831/2003 on additives for use in animal nutrition, Off. J. Eur. Union L 268 (2003) 29.
3. International Organization for Standardization (ISO), ISO/IEC 17025:2005 standard. General requirements for the competence of testing and calibration laboratories, ISO, Geneva, Switzerland, 2005.
4. European Commission, Regulation (EC) No 178/2002 laying down the general principles and requirements of food law, establishing the European Food Safety Authority and laying down procedures in matters of food safety, Off. J. Eur. Union L 31 (2002) 1.
5. European Commission, Directive 2001/82/EC on the Community code relating to veterinary medicinal products, Off. J. Eur. Union L 311 (2001) 1.