Hill's Science Diet Adult Large Breed Lamb Meal & Rice Dry Dog Food, 33-lb bag

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Hill's Science Diet Adult Large Breed Lamb Meal & Rice Recipe dog food provides precisely balanced nutrition tailored for a visible difference in large breed dogs.

Key Benefits

  • Natural source of glucosamine and chondroitin are building blocks of healthy cartilage and joints and cartilage
  • Clinically proven antioxidant blend with vitamins C and vitamins E to help support a healthy immune system
  • Natural, high quality, easy-to-digest ingredients with no artificial colors, flavors or preservatives for a flavorful, nutritious meal
  • Highly digestible, high quality protein to help maintain lean muscle and high quality fiber, fatty acids and antioxidants to support healthy digestion, skin and coat and a strong immune system
  • Recommended for large dogs weighing 55-110 pounds (ages 1-5) and giant breed dogs weighing 110+ pounds (ages 1-4) 


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  • Item Number
  • Weight
    33.0 pounds
  • Brand
  • Breed Size
    Large Breeds, Giant Breeds
  • Food Form
    Dry Food
  • Lifestage
  • Made in
    United States

Nutritional Info


Lamb Meal, Brewers Rice, Whole Grain Wheat, Whole Grain Sorghum, Cracked Pearled Barley, Corn Gluten Meal, Brown Rice, Pork Fat, Chicken Liver Flavor, Soybean Oil, Dried Beet Pulp, Lactic Acid, Potassium Chloride, Flaxseed, L-Lysine, Iodized Salt, Choline Chloride, Vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (Source of Vitamin C), Niacin Supplement, Thiamine Mononitrate, Vitamin A Supplement, Calcium Pantothenate, Biotin, Vitamin B12 Supplement, Pyridoxine Hydrochloride, Riboflavin Supplement, Folic Acid, Vitamin D3 Supplement), Taurine, Minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), L-Carnitine, Mixed Tocopherols for Freshness, Phosphoric Acid, Beta-Carotene, Natural Flavors.

Caloric Content

366 kcal/cup

Guaranteed Analysis
Crude Protein 19.0% min
Crude Fat 12.0% min
Crude Fiber 3.0% max
Vitamin C 85 mg/kg min
Vitamin E 400 IU/kg min
Glucosamine 700 ppm min
Chondroitin SulFate 250 ppm min

Feeding Instructions

Adjust feeding amounts as necessary to maintain optimal weight. If you are unsure, ask your veterinarian. New to this food? Mix increasing amounts of your pets new food with decreasing amounts of the old food over a 7-day period. Keep fresh water available at all times! Your pets nutritional needs may change as they age. Ask your vet at every checkup. Science Diet is available in a wide variety of dry foods, canned foods and treats for your pets unique needs.

Transition Instructions

A gradual transition to a new pet food is important to avoid digestive upset. To transition, mix your pet’s current food with the new food. Over 7 days, gradually decrease the amount of the current pet food while increasing the amount of new pet food.

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Precisely Balanced Nutrition for Adult Dogs

Hill's Science Diet adult dog food provides precisely balanced, easy-to-digest nutrition for a visible difference in adult dogs. These yummy recipes are specially formulated for dogs 1-6 years of age to help improve skin and coat health, maintain strong, lean muscles and support immunity.

Precisely Balanced Nutrition for Adult Dogs
Vets' #1 Choice

Vets' #1 Choice to Feed Their Own Pets

More than anyone, veterinarians know a healthy dog food when they see one. That's why they give Hill's Science Diet to their own dogs more than any other brand. Hill's works with pet nutritionists to develop recipes with the best dog food standards in mind. These recipes are designed to keep your furry family member healthy and strong so he can enjoy more moments of overwhelming happiness.

The Science Behind Happy

With over 220 veterinarians, Ph.D. nutritionists and food scientists working every day around the world, Hill's is able to create new products and improve existing ones that help your pet live a long, healthy and full life. They pride themselves on wholesome ingredients, precise nutrition and high-quality standards in pet food because they know firsthand that when your cat is healthier, she's happier too.

The Science Behind Happy
Natural Recipes Made in the USA

Natural Recipes Made in the USA

Hill's is proudly made in the USA with only high-quality protein. Real chicken, lamb or salmon is the first ingredient, along with other natural ingredients sourced from North America, Europe and New Zealand-all free of artificial colors, flavors and preservatives.

Fresh, Whole Food Ingredients

Hill's uses high-quality ingredients to provide the proper balance of essential nutrients for optimal health. Guided by evidence-based research, Hill's formulas are precisely balanced to meet each pet's specific life-stage, size or special needs.



Excellent insoluble fiber source that supports healthy digestion, and the prebiotic fiber stimulates the growth of the favorable gut bacteria (probiotics).



Rich in Omega-3 fatty acids that improve the shine of the pet's coat and high in fiber that helps move food through the digestive system.



Excellent source of B vitamins and vitamin C and contains the most carotene of any vegetable as well as high levels of antioxidants that provide protection against free radicals.



Excellent source of vitamin C and unique natural source of tannins (astringents found in plants) that help prevent harmful bacteria from thriving in the urinary tract.



Good source of antioxidants, vitamin A, vitamin C and dietary fiber, which helps with joint problems and promotes overall gastrointestinal health.



Great source of fiber and vitamin C and boosts the immune system, supports skin and heart health and helps the body release toxins.

About Hill's Pet Nutrition

For more than 70 years, Hill's Pet Nutrition has helped enrich and lengthen the special relationship between people and their pets by putting their passion for balanced pet nutrition into everything they do. With a dedicated team of veterinarians and pet nutritionists involved in the development of all their products, Hill's is able to ensure high-quality pet food to help all pets live a happy and healthy life.

Shop Hill's Pet Nutrition

About Hill's Pet Nutrition

Customer Reviews

36 reviews 36 Reviews 4.9 out of 5 Stars

100% Recommend

100% of reviewersrecommend this product

4.9 / 5
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  • Thanks for healthy food for our pup!

    By on

    Our sweet GSD is going to be four years old in a month and has been on the lamb Science Diet for a few years. We put her on the lamb food when she seemed to scratch often after eating another high quality brand of chicken dog food. During a visit to our vet, we bought a bag of lamb Science Diet at the vet's office and have never had problems with her scratching since! Knowing she is getting what a vet recommends gives us confidence that she is getting the best food for her breed.

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  • Eat more lamb

    By on

    Our 1 1/2 year old German Shepherd has been on the same brand chicken and rice but we tried the lamb when the other wasn't available. He loves it!!

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  • Great Pyrenees

    By on Top 100 Contributor

    Put my Great Pyrenees on this a few months ago and he is looking much better. I mix it with the Nulo brand and he loves both. Was feeding him active longevity before that because I'm feeding my older dog that but this is what he needed. Eats less now and is more muscular but not overweight. Can see an improvement in his overall activity and physical condition. If you have a big dog they probably need this!

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  • Great Food

    By on

    Not only this is a fantastic blend for my English Mastiff but, Chewy ensures the delivery is quick since he eats 8-10 cups a day!

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  • SD dry dog food

    By on

    Been feeding this for at least 2 years so no surprises on quality. Great product.

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  • Dogs love it !!!

    By on

    Dogs are happy so I'm happy. Great product and even better service from Chewy !!

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  • Recommended

    By on

    Great price and that I don't have to make a trip and carry a heavy bag is awesome. Switched to this food after a possible chicken allergy.

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  • Helped a lot

    By on

    Well I wish I started my 4 year old Doberman on this a long time ago. I would have saved my self a lot of money. He's been on Orijen, Acana and did great until they changed the formula. I then tried Weruva dry , wow that messed his stomach even though I introduced it it slowly mixing in with his old food. My vets have always recommended Science Diey. I've learned my lesson! All my pets have ended up on Science diet. So moral of my story if I ever get any more pets they will feed Science diet from the beginning. Thanks so much Chewy for great customer service and helping .

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  • Favorite brand

    By on

    Execellent brand and fast shipment as always!!!!!!

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  • Dog food review

    By on

    Fast delivery. Great service. Definitely recommend and will use again.

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