Tyson has the chicken market around here cornered so I wasn't familiar with the Perdue stuff.
Google found this to help me understand what Max was referring to:
http://www.livejournal.com/users/lizerk/365782.html
Mad magazine went downhill around the time they started making MAD TV. I guess. I dunno, I haven't bought one since I was a young teenager.
And further off on a tangent, if you have fond memories of MAD Magazine, go watch the Beck video for
Girl. You'll see why.