Rice is full of carbs and will certainly help your dog gain weight if you add it into their feeding schedule. You can add other healthy proteins to it, and rice can even help settle your dog's stomach if they're prone to tummy issues.
How much rice should I feed my dog to gain weight?
Simply boil or steam the rice until tender and do not add any butter, salt or seasonings (keep the fried rice for yourself). If you're feeding rice as an extra, feed no more than about a quarter cup for a large dog and just a tablespoon or two for a smaller dog.
What can you give a dog to fatten them up?
Eggs - Raw, scrambled, over easy. Just make sure they are plain. Cottage Cheese - Full fat. Lean meat - Raw or cooked to match their diet.Stella & Chewy's Meal Mixers.Honest Kitchen Goat's Milk.Nature's Logic Bone Broth.Tripett Canned Tripe.How to Fatten Up A Dog - Homes Alive Pets Blog
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How can I get my dog to gain more weight?What can I give my Dog to eat?