Quick answer: There's no "best" dog food, only the food that's "best for your dog": first check protein ≥22% and that the first five ingredients are named meats, then adjust for age, health, budget, and your dog's actual response, and finally switch using a 7-10 day transition.
"Which dog food is best?" has no standard answer—there's no "best" dog food, only the food that's "most suitable for your dog". The method is to screen using three hard indicators (protein content, first five ingredients, age requirements), then fine-tune based on budget and your dog's response. This article gives you a 5-step picking method, a column-by-column guide to packaging labels, and the correct food-switching procedure—learn and use immediately.
The 5-Step Picking Method: Don't Skip a Step
Step 1: Calculate protein. Adult dogs ≥22% (ideally 26%+), puppies ≥28%, high-activity working dogs ≥30%. For fat, aim for the 15-25% range.
Step 2: Check the first 5 ingredients. Should be named meats like chicken, beef, salmon, lamb; avoid corn, wheat, soy, vague "meat by-products", and artificial colours near the top.
Step 3: Match age and health condition.
- Puppies: high protein and fat, small kibble
- Adult dogs: maintain weight, joint health
- Senior dogs: easy to digest, low phosphorus, contains joint support ingredients
- Allergic dogs: single protein source (venison, duck), confirmed with veterinary help
Step 4: Adjust budget. Monthly spending determines which shelf range is yours (see budget table below).
Step 5: Observe your dog's response. Stools, coat, and weight—these three indicators tell you if it's right. The earlier screening is just an entry ticket; your dog's body is the final judge.
Key mindset: Don't look at advertising claims, look at the back of the ingredient list. "Contains chicken" on the packaging doesn't mean chicken is the first ingredient.

Decoding Packaging Labels Column by Column: Ad Claims vs Ingredient List
| What you see | What it really means |
|---|---|
| "Contains chicken" | May be only a tiny amount; check the ingredient list ranking |
| First ingredient is meat | Meat is the main ingredient—a good sign |
| "Meat and animal by-products" | Unclear source, quality hard to judge |
| "Grain Free" | Not equal to low-calorie or better; look at the overall formula |
| "Natural" | No unified hard standard; still check each ingredient |
Ingredients are listed in descending order by weight—the earlier, the more there is. Also look for "Complete & Balanced"—only then can it be a main diet; without it, it may only be a mixer or treat.
How to Choose on a Limited Budget?
| Monthly budget | Strategy |
|---|---|
| $100-200 | In the budget line, choose options where the first ingredient is meat; avoid large amounts of corn and wheat |
| $250-400 | The mid-price range offers the best value; look at Canagan, ACANA, etc. |
| $400+ | High-protein line (Orijen, ZiwiPeak); watch for excess calories |
Expensive doesn't mean suitable: high-protein food can easily lead to obesity in low-activity indoor dogs; a mid-price food with appropriate portions is more practical. Large dogs eat more, so the same food can cost two or three times as much—calculate your budget by weight.
Fresh Food, Treats and Supplements: Which Are Necessary?
- Wet food/canned: Adds moisture, improves palatability; useful during recovery from illness and for picky eaters; refrigerate after opening and use within one day
- Treats: Valuable as training tools, but count towards the daily 10% calorie limit; choose simple-ingredient jerky, avoid lots of sugar and colourings
- Bones/dental chews: Watch for splintering risk; large hard bones can break teeth—supervise when eating
- Supplements (glucosamine, fish oil, etc.): Healthy dogs eating a "complete and balanced" main diet don't need extra; for joint or skin issues, ask your veterinarian first
In one sentence: dry food is the main act, everything else is supporting—no matter how good the supporting role, don't let it steal the show.
Common Dog Food Questions Answered
Q: Is there a big difference between cheap and expensive dog food? A: Yes. Expensive foods have higher protein, better meat sources, and fewer fillers. But the most expensive isn't always best—check if the ingredient list is "worth it". Some mid-price foods (Canagan, ACANA) offer great value.
Q: Should I switch dog food often? A: No. Dogs have sensitive stomachs, so switch gradually (7-10 day transition). If your dog eats well, has a shiny coat, and normal stools, no need to switch.
Q: Can dogs eat only dry food? A: Yes, but dry food is low in moisture (about 10%), so your dog needs to drink enough water. We recommend dry food as the main diet plus wet food as a supplement to ensure adequate water intake.
Q: Is grain-free dog food always better? A: Dogs are omnivores and don't need to be completely grain-free. But low-quality grains (corn, wheat) in large amounts as fillers are not good. Look at the ingredient list, don't just chase the "grain-free" label.
Q: Will feeding the same food all the time cause nutritional imbalance? A: As long as it's a main diet labelled "complete and balanced", long-term feeding of one food won't cause nutrient deficiencies. For more variety, you can rotate different protein sources under the same nutritional standard without blindly switching brands.
Correct Food-Switching Procedure: 7-10 Day Transition
Switching food isn't a big deal, but switching too fast definitely causes problems (vomiting and soft stools are most common). Gradually increase the new food ratio day by day:
| Day | Old food : New food |
|---|---|
| Days 1-2 | 3 : 1 |
| Days 3-4 | 1 : 1 |
| Days 5-7 | 1 : 3 |
| Days 8-10 | All new food |
Monitor stools during this period: if soft stools appear, go back to the previous ratio, stabilise for two days, then continue. For sensitive dogs, stretch the whole process to 10-14 days.
Advanced: How to Read the expected Analysis?
Besides the ingredient list, there's a "expected Analysis" column on the back of the packaging. Key points to check:
| Column | How to read |
|---|---|
| Crude protein | Adult ≥22%, puppy ≥28% |
| Crude fat | 15-25% is the common range |
| Crude fibre | Too high (>6%) may mean lots of fillers |
| Moisture | About 10% for dry food is normal |
| Calcium-phosphorus ratio | Puppy food about 1.1:1-1.5:1 |
| Metabolizable energy | kcal/kg, used to calculate feeding amount |
Two traps to note: "minimum/maximum" is not the actual value—crude protein ≥25% only means not less than 25%, not that it's around 25%; and don't directly compare percentages between dry food and canned food—canned food is 75% moisture, so convert to a dry matter basis for a fair comparison. Simple approach: when comparing different forms of food, only compare products suitable for the same life stage, or just look at metabolizable energy and feeding guidelines.
Dog Food Storage: After Opening Is Key
Even if you buy the right food, poor storage wastes it:
- Finish opened dry food within 4-6 weeks; fat oxidation makes it taste off and reduces nutrition
- Seal the original bag with a clip, put it in an airtight storage container, keep in a cool, dry place—no need to refrigerate
- Don't pour food into an uncleaned old container—residual oil oxidation contaminates new food
- Refrigerate canned food after opening and use within 24-48 hours; follow package instructions for freeze-dried food
- Before buying bulk, calculate consumption: small dogs eat slowly, a large bag may not be finished in time
After Feeding the Right Food: Observe Three Things
- Stools: formed, not soft or hard, normal colour.
- Coat: improved shine after 4-6 weeks, no abnormal shedding.
- Energy and weight: stable appetite, monthly weight fluctuation less than 5%.
If any of the three is persistently abnormal, first check if the feeding amount is wrong or if treats exceed the limit, then consider whether the food direction is wrong, and finally consult a veterinarian to rule out health causes.

Quick Dog Food Picking Checklist
- Protein ≥22% (28%+ for puppies)
- First ingredient is a named meat
- No large amounts of corn or wheat fillers
- Choose by dog's age (puppy/adult/senior)
- Consider dog's health (allergies need single protein)
- Labelled "complete and balanced" for main diet
- Use 7-10 day transition when switching
When to see a vet: Persistent vomiting after switching, bloody stools, fasting for more than a day, or recurring skin allergies—consult a registered veterinarian. For prescription diets, or dietary changes for dogs with kidney or heart disease, follow veterinary instructions.
What You Can Do Starting Today
- Turn over your dog food packaging at home and check the first five ingredients and protein percentage.
- Use the checklist above to score your current dog food item by item.
- Create an observation chart for your dog: stools, coat, weight—record every two weeks.
- Not sure which suits? Go to the PetChill dog food review guide to compare product by product.
This article is for reference only; consult a registered veterinarian for any concerns.
Related Product Recommendations
Here are products related to this article, available at PetChill:
- Nutriplan Soft Dog Food Immune & Skin Care Support 1.2kg (64337) (Nutriplan) — skin and coat care
- Bella & Molly's Royal Selection Dog Food AAFCO Grain-Free Single Protein Salmon Recipe 50g (Limited Trial) (Bella & Molly's) — grain-free formula, also suitable for sensitive stomachs
Want to see more: Nutriplan Brand Guide
Product prices and latest offers are subject to the product page; this article is for reference only.
Further Reading
- 2026 Hong Kong Dog Food Recommendation Guide →
- Dry Dog Food Recommendations →
- Grain-Free Dog Food →
- Freeze-Dried Dog Food Guide →
PetChill Pet Nutrition Team — Hong Kong's most authoritative pet knowledge platform


Nutriplan full guide →

ACANA full guide →
Bella & Molly's full guide →




