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Under these conditions, no ethical approval is required. However, the sheep were treated according to the European Community Council directive (86\/609\/EEC) concerning animal welfare during the commercial slaughtering process, and constantly monitored under mandatory official veterinary medical care. Furthermore, although not required for this study, the national ethical commission (Ministry of health authorization n_457\/2016-PR) approved the general study design of the funded project (Grant # 2015Y5W9YP from the Italian Ministry of Education, University and Research to BC, including also LC, AP, CB, EG, and J-MG.), which was created in compliance with Italian legislation on animal experiments.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Statement on welfare of animals"}}]}}