Just read about what is really in cat food

I just read a book called "Food Pets Die For" and it is horrifying!!!
This woman did an extensive study about the ingredients which go into
cat and dog food. Almost all of the major brands include euthanized
cats and dogs in their formula, as well as all of the spoiled and
diseased parts of animals which are not fit for human consumption. In
some cases, the protein ingredients in cat food are actually heat
treated feathers and hair, and sometimes heat treated fecal matter.
There is even road kill in some cat food. Some brands, including Iams,
Eukanuba, and Science Diet, fund cruel animal experiments on cats and
dogs at universities. They give to good causes as well, but, wow...
Some of the pet food companies which have healthier ingredients are
Petguard, Natura, and some others (cant remember)