Clements: I'm Mark Clements, Editor-in-Chief, Poultry, with Watt Global Media, and today on the Future of Poultry Podcast, we're looking at controlled atmosphere stunning or CAS. CAS has been around since the mid-1990s, but its adoption has been varied. In Europe, for example, approximately half of birds stunned are now stunned using CAS, and in some cases, for example, in the U.K., this figure rises to over 70%.