Marshall Ferret Crunch vs. Pet Supplies Plus Bulk Ferret Food Ultimate

Marshall has a better protein to fat ratio. Pet Supplies Plus's ratio of 2.53 to 1 is too high (not fatty enough). (The ideal ratio is 2 to 1.) Marshall has fewer ingredients, which is usually a good thing. Marshall has a slightly lower concentration of fruits, veggies, grains, and starches. Both foods are pea-free. Marshall contains controversial ingredients.

Marshall Ferret Crunch

Marshall has a better protein to fat ratio. Pet Supplies Plus's ratio of 2.53 to 1 is too high (not fatty enough). (The ideal ratio is 2 to 1.)
Marshall has fewer ingredients, which is usually a good thing.
Marshall has a slightly lower concentration of fruits, veggies, grains, and starches.

Legend

First 10 ingredients:

chicken by-products chicken chicken by-product meal corn meal dried beet pulp brewers dried yeast dl-methionine l-lysine sodium propionate and mixed tocopherols taurine

Pet Supplies Plus Bulk Ferret Food Ultimate

Marshall contains controversial ingredients.

First 10 ingredients:

chicken by-product meal porcine meat and bone meal brewers rice corn gluten meal ground wheat poultry fat ground flax seed dried skimmed milk spray dried eggs wheat middlings