How Much Should You Feed Your Dog?
Dans cet article
By Dr Duncan Houston
The right amount of food is not a fixed scoop size. Two foods can contain very different calories in the same cup, and two dogs of the same weight can have different needs.
A good feeding plan starts with an estimate and improves through measured portions and regular review.
Quick Answer
Start with a suitable complete diet and a daily calorie estimate based on your dog's life stage, body condition and activity. Convert that allowance into grams using the food's calorie density, including treats and extras. Monitor weight and body condition and adjust with your vet, particularly for puppies, older dogs or dogs with disease.
Use feeding charts as a starting point
Label recommendations cannot account for every dog's metabolism, exercise, neuter status or health. They are not individually approved feeding prescriptions. Check whether the chart gives a daily amount or an amount per meal and whether the listed weight is current or expected adult weight.
Most healthy adults can have their daily ration divided into two meals. Growing puppies generally need more frequent meals, with a schedule appropriate to age and size. Dogs with medical conditions may need a specific timetable.
Convert calories into a measured portion
Daily grams = calories allocated to that food ÷ calories per gram. If a food provides 360 kcal per 100 g, it provides 3.6 kcal per gram. An illustrative 540 kcal allowance from that food would equal 150 g daily. This is a calculation example, not a prescription for a particular dog.
Use kitchen scales when possible. If feeding wet and dry food together, both contribute to the same total. Include chews, training rewards, table food and food used to hide medication.
AAHA feeding-plan guidance recommends that a complete, balanced diet provide at least 90% of usual calories, with treats and other extras limited to 10% or less. Some medical diets require tighter restrictions.
How do you know the amount is working?
| Finding | Meaning | Next step |
|---|---|---|
| Stable healthy weight, ribs easily felt and a visible waist | The plan may be suitable | Continue monitoring |
| Increasing weight and a less defined waist | Calories may exceed needs | Review all intake and agree a gradual adjustment |
| Weight or muscle loss despite eating | Underfeeding or medical disease | Arrange a veterinary assessment |
| Poor growth or sudden loss of appetite | A puppy or ill dog needs assessment | Contact your vet promptly |
Body condition and muscle condition are different. A dog can carry excess fat while losing muscle. AAHA nutritional assessment guidance recommends considering both.
Practical portion control
- Write down everything fed over several typical days.
- Agree a target weight and starting allowance with your vet when uncertain.
- Measure the whole day's ration in advance so everyone feeds from the same allocation.
- Recheck weight and condition regularly, often every few weeks while adjusting.
- Pair suitable portions with comfortable exercise, enrichment and predictable meals.
When is this an emergency?
Collapse, severe weakness, repeated vomiting, a swollen abdomen with retching or suspected toxin ingestion needs urgent care. A very young or tiny puppy that is weak, trembling or refusing food needs immediate advice. Do not treat acute illness simply by changing portion size.
Common mistakes
- Using begging as proof of hunger.
- Assuming all senior dogs need less food.
- Calculating calories as a percentage of body weight.
- Severely restricting an ordinary diet for weight loss without checking nutrient adequacy.
Frequently asked questions
Are cups accurate enough?
They can vary considerably. Weighing the food gives a more consistent portion.
Should treats be additional to meals?
No. Their calories count within the daily allowance.
Why is my dog losing weight on the recommended amount?
The estimate may be too low, but illness can also cause weight loss. Arrange a check rather than repeatedly increasing food without assessment.
The best portion is one that supports healthy weight, muscle and function. Measure first, then adjust according to results.
For clear explanations of everyday nutrition decisions, visit ASK A VET™.
