Animal Protein Sources in Europe: Current Knowledge and Future Perspectives—A Review. - Marcinkowska-Lesiak, Monika; Motrenko, Michał; Niewiadomski, Marcin; Głuszkiewicz, Iga; Wojtasik-Kalinowska, Iwona; Poławska, Ewa (Applied Sciences (2076-3417), 2025)