Join Date: Aug 2012
Location: Southern California
Honestly, I've heard the same variety of opinions on red meat.
Here's what I've gathered from it:
Cats will not die on red meat. They digest it just fine. Some cats are ALLERGIC to beef, of course - it seems to be one of the more common food allergies in cats.
However, if the cat is not allergic, there is no reason not to feed beef.
A caveat - it is best to feed a variety of meats, actually - don't limit kitty's diet to just beef :} Get some chicken or turkey in there, or even things like cornish hen, rabbit, lamb, etc.
Keep in mind that for cats, liver should only make up ~5% of their diet.