'Campact!' environmental activists perform with mock-up chicken during a protest in Berlin January 18, 2011. German Agriculture Minister Ilse Aigner is holding a meeting with the Germany's federal states agriculture ministers to discuss her action plan to enforce higher standards in animal feed production after a health alert following the discovery of the highly toxic chemical dioxin in feed. REUTERS/Fabrizio Bensch (GERMANY - Tags: POLITICS FOOD CIVIL UNREST)