Utilisation of secondary meat raw materials for the production of feed additives Ruzimurat Choriev, Baxtiyor Shaimardanov, Xamza Boboyev, Fakhridin Karshiev, Khurshida Nuritdinova, Fazliddin Kurbonov and I.E. Nekrasova BIO Web Conf., 161 (2025) 00069 Published online: 27 February 2025 DOI: 10.1051/bioconf/202516100069