Alternatively, you can cook up your own pet food:
[Some lady's] standard recipe, which will feed Orion along with the other dog and the three cats in her house for around 10 days, calls for grinding 40 pounds of pasture-raised chicken necks with another 20 pounds of chicken giblets. To this, she adds five pounds of carrots, a whole cabbage and several other fruits, all from the organic fields of Midsummer Farm, [her] farm in Warwick, N.Y. Finally, she blends the mix with herbs and supplements.And here's a less grandiose recipe.
ADDED: A reader recommends the "recipes" at Raw Fed Dogs. Click links to laugh.