
Hill's Science Diet
Hill's Science Diet Adult Perfect Weight Chicken & Brown Rice Recipe Dog Food
Dog · Dry · Adult
Product detailsLabel facts comparison
Hill's Science Diet and Royal Canin, compared on source-backed label facts. Scores are not used on comparison pages — neither product is placed above the other; the facts sit side by side so the trade-offs are readable.

Hill's Science Diet
Dog · Dry · Adult
Product details
Scaled to the larger listed value per axis. Larger means a larger listed amount — not better. Missing values stay at zero and are reported as not listed.
| Axis | Hill's Science Diet Adult Perfect Weight Chicken & Brown Rice Recipe Dog Food | LARGE ADULT |
|---|---|---|
| Protein | 24% | 24% |
| Fat | 8% | 15% |
| Fiber | 5% | 3.2% |
| Carbs | Not listed | Not listed |
| Calories | 298 kcal/cup | 360 kcal/cup |
| Moisture | 10% max | 10.5% max |
Quick scan
A short summary before the complete recorded label tables.
| Label fact | Hill's Science Diet Hill's Science Diet Adult Perfect Weight Chicken & Brown Rice Recipe Dog Food | Royal Canin LARGE ADULT |
|---|---|---|
| Protein (min) | 24% | 24% |
| Fat (min) | 8% | 15% |
| Fiber (max) | 5% | 3.2% |
| Moisture (max) | 10% | 10.5% |
| Calories | 3189 kcal/kg | 3755 kcal/kg |
| First ingredients | Chicken, cracked pearled barley, brown rice, pea fiber, corn gluten meal | Chicken by-product meal, brewers rice, wheat, brown rice, chicken fat |
Product identity
Recorded identity, audience, format, package, and adequacy information.
| Label field | Hill's Science DietHill's Science Diet Adult Perfect Weight Chicken & Brown Rice Recipe Dog Food | Royal CaninLARGE ADULT |
|---|---|---|
| Full label title | Hill's Science Diet Adult Perfect Weight Chicken & Brown Rice Recipe Dog Food | Not listed |
| Species | Dog | Dog |
| Life stage | Adult | Adult |
| Food format | Dry | Dry |
| Product line | Science Diet Perfect Weight | Not listed |
| Flavor / recipe | Chicken & Brown Rice | Not listed |
| Processing stated | Extruded kibble | Not listed |
| Nutritional adequacy statement | This food is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for maintenance of adult dogs. | ROYAL CANIN LARGE Adult is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for maintenance. |
| Adequacy method | AAFCO profile statement | Not listed |
| Complete and balanced recorded | Yes | Yes |
Recorded nutrients
Minimums and maximums are reproduced as recorded. A larger number is not automatically better.
| Label field | Hill's Science DietHill's Science Diet Adult Perfect Weight Chicken & Brown Rice Recipe Dog Food | Royal CaninLARGE ADULT |
|---|---|---|
| Crude protein (min) | 24% | 24% |
| Crude fat (min) | 8% | 15% |
| Crude fiber (max) | 5% | 3.2% |
| Moisture (max) | 10% | 10.5% |
| Calories | 3189 kcal/kg | 3755 kcal/kg |
| Calories per cup | 298 kcal/cup | 360 kcal/cup |
Formula context
Ingredient order and recorded formulation flags provide context; they do not establish whole-product quality on their own.
| Label field | Hill's Science DietHill's Science Diet Adult Perfect Weight Chicken & Brown Rice Recipe Dog Food | Royal CaninLARGE ADULT |
|---|---|---|
| First five ingredients | Chicken, cracked pearled barley, brown rice, pea fiber, corn gluten meal | Chicken by-product meal, brewers rice, wheat, brown rice, chicken fat |
| Full ingredient list | View full recorded list (15)Chicken (unresolved mapping), cracked pearled barley (unresolved mapping), brown rice (unresolved mapping), pea fiber (unresolved mapping), corn gluten meal (unresolved mapping), chicken meal (unresolved mapping), dried tomato pomace (unresolved mapping), oat fiber (unresolved mapping), chicken liver flavor (unresolved mapping), flaxseed (unresolved mapping), dried beet pulp (unresolved mapping), coconut oil (unresolved mapping), lactic acid (unresolved mapping), vitamins (unresolved mapping), and minerals (unresolved mapping). | View full recorded list (42)Chicken by-product meal (unresolved mapping), brewers rice (unresolved mapping), wheat (unresolved mapping), brown rice (unresolved mapping), chicken fat (unresolved mapping), corn protein meal (unresolved mapping), natural flavors (unresolved mapping), dried plain beet pulp (unresolved mapping), fish oil (unresolved mapping), calcium carbonate (unresolved mapping), potassium chloride (unresolved mapping), salt (unresolved mapping), monocalcium phosphate (unresolved mapping), sodium aluminosilicate (unresolved mapping), choline chloride (unresolved mapping), vitamins [DL-alpha tocopherol acetate (source of vitamin E), L-ascorbyl-2-polyphosphate (source of vitamin C), biotin, D-calcium pantothenate, vitamin A acetate, riboflavin supplement, niacin supplement, vitamin B12 supplement, pyridoxine hydrochloride (vitamin B6), thiamine mononitrate (vitamin B1), vitamin D3 supplement, folic acid] (unresolved mapping), rosemary extract (unresolved mapping), preserved with mixed tocopherols and citric acid (unresolved mapping), trace minerals [zinc proteinate, zinc oxide, manganese proteinate, ferrous sulfate, manganous oxide, copper sulfate, sodium selenite, calcium iodate, copper proteinate] (unresolved mapping), glucosamine hydrochloride (unresolved mapping), DL-methionine (unresolved mapping), L-lysine (unresolved mapping), chondroitin sulfate (unresolved mapping). |
| Primary protein source | Chicken | Not listed |
| Primary carbohydrate source | Barley and brown rice | Not listed |
| Grain-free label | No | Not listed |
| Animal protein listed first | Yes | Yes |
| Plant protein concentrate recorded | Yes | Not listed |
| Legume recorded | Yes | Not listed |
| Generic animal ingredient flag | Not listed | Yes |
| Filler-presence flag | Yes | Yes |
Label-based calculations
These values are recorded or calculated from label data. They do not evaluate the product, and missing inputs stay Not listed.
| Label field | Hill's Science DietHill's Science Diet Adult Perfect Weight Chicken & Brown Rice Recipe Dog Food | Royal CaninLARGE ADULT |
|---|---|---|
| Protein per 1,000 kcal | 75.3 g | 63.9 g |
| Fat per 1,000 kcal | 25.1 g | 39.9 g |
Provenance
Use the official links to check current packaging and formulation details. A source confidence note is CMS record metadata; it does not evaluate the product or replace Data Confidence.
| Label field | Hill's Science DietHill's Science Diet Adult Perfect Weight Chicken & Brown Rice Recipe Dog Food | Royal CaninLARGE ADULT |
|---|---|---|
| Official source | Open official source (opens in a new tab) | Open official source (opens in a new tab) |
| Source site | Hill's | Royal Canin |
| Source confidence note | High | Not listed |
| Source checked date | Not listed | Not listed |