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2. FEDIAF. The European pet food industry: European statistics (2019).
3. APPA. American pet products associations: pet industry market size and ownership statistics (2019).
4. The European Parliament and the Council of the European Union. Regulation (EC) No 178/2002 of the European Parliament and of the council of 28 January 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 saf. Off. J. Eur. Communities L31, 1–24 (2002).
5. The European Parliament and the Council of the European Union. Regulation (EC) No 183/2005 of the European Parliament and of the council of 12 January 2005 laying down requirements for feed hygiene. Off. Jounal Eur. Union L35, 1–22 (2005).