My dogs are also on this food although the boys don't like it so I won't be repurchasing. They are addicted to fish I think. I hate the smell so keep trying to get them on a non-fish food but they're not going for it.
Anyway, Gracie is 8 pounds and she eats almost 1/2 c a day. 1/4 in the morning 1/4 in the evening but they aren't full 1/4 cups if that makes sense. After you get the weight off that might be a good maintenance plan.
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"If you have men who will exclude any of God’s creatures from the shelter of compassion and pity, you will have men who will deal likewise with their fellow men." — St. Francis of Assisi, 1181-1226