Young Again ZERO vs. Mazuri Ferret Diet

Young Again has a better protein to fat ratio. However, Mazuri's ratio is not bad. (The ideal ratio is 2 to 1.) Young Again has much fewer ingredients, which is usually a good thing. Young Again has a slightly lower concentration of fruits, veggies, grains, and starches. Both foods are pea-free. Both foods contain controversial ingredients.

Young Again ZERO

Young Again has a better protein to fat ratio. However, Mazuri's ratio is not bad. (The ideal ratio is 2 to 1.)
Young Again has much fewer ingredients, which is usually a good thing.
Young Again has a slightly lower concentration of fruits, veggies, grains, and starches.

Legend

First 10 ingredients:

hydrolyzed pork chicken meal chicken fat chicken liver flavor guar gum herring meal dl methionine l-lysine fish oil psyllium husk

Mazuri Ferret Diet

First 10 ingredients:

poultry by-product meal ground brown rice dehulled soybean meal porcine animal fat spray dried animal blood cells poultry fat glutamic acid dried beet pulp soy protein concentrate soybean oil