Don, you bring out an inherent problem with markets that are dominated by a few on one side and many on the other.  Companies like Tyson and Cargill can make strategic decisions and execute them.  A more competitive side of the market has more difficulty doing this.  It is kind of interesting that in the study of economics the latter is more messy but also more efficient.  The argument for competitive markets is that they force this efficiency on the market participants whether they like it or not.