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Puppy Nutrition

Puppy Portions by Age: How Much to Feed, Week by Week

Published by DosageGuide · Reviewed

Learn exactly how much to feed your puppy from 8 weeks to 12 months. Covers feeding schedules, portion sizes by weight, and how to adjust as your puppy grows.

Updated
6 min read

A puppy's ration changes every few weeks, which is what makes it hard to get right. From eight to twelve weeks a puppy needs roughly twice the calories per pound of an adult of the same breed, spread over four meals a day because the stomach is too small to hold more at once. From three to six months the total is still rising while the number of meals drops to three; from six months to the end of growth it falls back towards the adult figure and two meals. Weigh the puppy weekly and let the numbers, not the appetite, set the amount: a puppy whose ribs you can feel under a thin layer of cover is on the right ration, and one growing at the fastest possible rate is not being done a favour, particularly in a breed that will exceed 25 kg.

Getting portion sizes right during your puppy's first year is one of the most important things you can do for their long-term health. Too much food leads to rapid growth that stresses developing joints, while too little leaves them without the energy they need. Here is a practical breakdown by age.

8 to 12 Weeks

At this stage, puppies have tiny stomachs but enormous calorie needs relative to their body weight. They need roughly twice the calories per pound compared to an adult dog of the same breed.

  • Meals per day: 4 times, spaced evenly
  • Portion guide: Follow the food label for your puppy's current weight, then divide into 4 equal meals
  • Food type: High-quality puppy-specific formula (kibble softened with warm water works well)

Watch for a rounded belly after meals, which is normal, versus a consistently distended abdomen, which may indicate overfeeding or a health issue worth discussing with your vet.

3 to 6 Months

Growth is in full swing. Your puppy is gaining weight steadily and building muscle and bone at a rapid pace. You can reduce meal frequency to 3 times per day during this window.

  • Small breeds (under 20 lbs adult weight): 1/3 to 1 cup daily, divided into 3 meals
  • Medium breeds (20-50 lbs adult weight): 3/4 to 1.5 cups daily
  • Large breeds (50-100 lbs adult weight): 1 to 2.5 cups daily

Large and giant breeds need special attention here. Overfeeding large breed puppies can cause developmental orthopedic disease. Look for a puppy food formulated specifically for large breeds, which will have controlled calcium and phosphorus levels.

6 to 12 Months

Transition to 2 meals per day around the 6-month mark. Growth rate starts to slow, especially for small and medium breeds. Large breeds may still be growing actively until 18 to 24 months.

  • Small breeds: Approaching adult portions by 9 to 10 months
  • Medium breeds: Approaching adult portions by 12 months
  • Large breeds: Still on puppy food, with portions adjusted monthly based on weight checks

How to Tell If You Are Feeding the Right Amount

Use the body condition score method. You should be able to feel your puppy's ribs without pressing hard, but they should not be visibly prominent. When viewed from above, there should be a slight waist behind the ribs. From the side, the belly should tuck up slightly behind the rib cage.

Weigh your puppy regularly

Weekly weigh-ins help you track growth and adjust portions. Sudden jumps or plateaus are worth mentioning to your vet. Most veterinary offices will let you use their scale for free between appointments.

Common Mistakes to Avoid

  • Free feeding (leaving food out all day) makes it impossible to monitor intake and often leads to overeating
  • Using adult food for puppies, which lacks the protein, fat, and mineral ratios growing dogs need
  • Supplementing with calcium without veterinary guidance, especially in large breeds
  • Ignoring treats in the daily calorie count. Treats should make up no more than 10 percent of daily calories

When in doubt, your veterinarian is your best resource for tailoring a feeding plan to your specific puppy's breed, size, and growth rate.

A Week-by-Week Routine That Works

Put the puppy on the same scales once a week, on the same day, and write the figure down. Steady gain along a sensible curve is what you are looking for, not the biggest number the litter can produce. If the weekly gain flattens for two weeks in a row, or the ribs disappear under a layer of fat, adjust the daily total by about ten per cent and review a fortnight later rather than making a change every day.

Keep the food itself constant while you do it. Changing brand, adding a topper or moving to adult food early all introduce variables that make the weight curve impossible to read, and a growth food is formulated with a calcium level that an adult food does not match. If the puppy will exceed about 25 kg as an adult, that food should be one labelled for the growth of large-size dogs, and nothing, no cottage cheese, no bone meal, no calcium tablet, is added on top of it.

Frequently Asked Questions

Weigh the puppy weekly and plot the figures rather than judging by the bowl. A steady curve that gradually flattens is what you want; a week with no gain in a young puppy warrants a call to the vet. You should be able to feel the ribs under a thin layer of fat without seeing them, and a puppy that finishes every meal instantly is not necessarily underfed.

In small breeds the consequence is a fat adult, which is reversible. In breeds that will pass fifty pounds it is worse: excess calories and excess calcium accelerate skeletal growth and raise the risk of hip and elbow dysplasia for life, and the damage is done long before any limp appears. This is why large-breed puppy formulas cap calcium around 1.0 to 1.5 per cent.

Not during growth. Adult formulas carry less protein, less fat and a different mineral balance than a growing skeleton needs, and a complete puppy food states on the label that it meets the AAFCO profile for growth. Large-breed puppies move to adult food between twelve and fifteen months, giant breeds between eighteen and twenty-four, and the switch is made gradually over seven to ten days.

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Note: Feeding guidelines are estimates based on standard veterinary formulas. Every dog is different, consult your veterinarian for personalized advice.