Today, four big companies—Cargill, JBS Swift, National and Tyson Foods—dominate beef packing. Feedlots and slaughterhouses have gotten enormous. At every level, the chain of beef production has been tweaked to get cattle fat cheaply. But mass production is not without its drawbacks. Cheap beef doesn’t taste good. What we have gained in yield and efficiency, we’ve lost in flavor.

”

— How to Get the Best Steak - WSJ.com