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2. The European Parliament and the Council of the European Union, Regulation (EC) No 1069/2009 of the European Parliament and of the Council of 21 October 2009 laying down health rules as regards animal by-products and derived products not intended for human consumption and repealing Regulation (EC) No 1774/2002 (Animal by-products Regulation), 2009.
3. Food and Agriculture Organization of the United Nations, Gateway to poultry production and products, (2024). https://www.fao.org/poultry-production-products/production/en/ (accessed April 8, 2024).
4. An overview of the rendering industry;Meeker,2006
5. Chicken slaughterhouse by-products: a source of protein hydrolysates to manage non-communicable diseases;Ibarz-Blanch;Trends Food Sci. Technol.,2023