We could do a lot worse than go with EU Regulation 889/2008 (i.e european definition of organic) See Article 12 for poultry. There are details about how they s

We could do a lot worse than go with EU Regulation 889/2008 (i.e european definition of organic) See Article 12 for poultry. There are details about how they should be kept, density, materials (e.g. straw or turf), lighting conditions, access to perches, access to outside space. Minimum age at slaughter is 81 days. https://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2008:250:0001:0084:en:PDF https://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:...