How Much Protein is in Dog Food? Fact Checked By Our Vet

Written By Vedrana Nikolic | Canine Coach, B.A Ethnology & Anthropology, M.A Semiotics.
Edited & Fact Checked By Renae Soppe | B.A Journalism & Science. 
Last Updated: 18th January 2024

When it comes to our furry companions, their nutrition is of paramount importance. A key component of their diet is protein, which is essential for their overall health and wellbeing. But how much protein should be in your dog's food, and what role does it play in their diet?

In this article, we will delve into the importance of protein in dog food and discuss the ideal protein content for your four-legged friend.

Related: The Best Dog Food Australia.
Related: How To Choose The Right Dog Food?
Related: How Is Australia’s Dog Food Industry Regulated?
Related: What is AAFCO? The Association of American Feed Control Officials.
Related: What Is the Pet Food Industry Association of Australia (PFIAA)?
Related: AAFCO vs PFIAA: Dog Food Standards Comparison Australia.

Related: Real Meat vs Meat Meal.

How Much Protein Is In My Dog’s Food?

Protein contents can vary greatly. The most widely used nutritional guidelines for dog food manufacturers, from AAFCO, prescribe a minimum of 18% of crude protein in dog food adults made for dogs. For puppies, the percentage is higher - 22.5%. It’s important to note that these percentages refer to dry matter basis. That means moisture is taken out of the equation, so the formula can be applied to any type of dog food, be it wet or dry.

For more on understanding guaranteed analysis levels in dog food, follow the link to our dedicated guide.

But how much protein is in the actual food your dog is eating? Find this by checking out the guaranteed analysis, and calculating the dry matter basis for more accuracy. Not every dog food formula follows the AAFCO guidelines, and some low-quality formulas might have only 15% of protein or even less. On the other hand, high-quality dog foods made primarily from meat, bone, and offal, will typically contain around 30% or even more protein.

Quality Matters Too

While the guaranteed analysis provides valuable information about protein quantity, it's essential to consider protein quality as well. Look for dog foods that specify the protein source, such as "Chicken Meal" or "Salmon," rather than generic terms like "meat by-products." High-quality protein sources are more digestible and provide better nutrition for your dog.

By using the Guaranteed Analysis and considering both quantity and quality, you can make informed decisions about your dog's nutrition and ensure they get the right amount of protein for their specific needs.

The Role of Protein in a Dog's Diet

Protein is one of the three macronutrients essential for a dog's diet, along with fats and carbohydrates. It serves several crucial functions in a dog's body:

  • Muscle Maintenance and Growth: Protein is essential for building and repairing muscles. This is especially important for active and growing dogs, such as puppies and working breeds.
  • Enzyme Production: Enzymes are necessary for various biochemical reactions in a dog's body, and many enzymes are proteins. These reactions are essential for digestion and other metabolic processes.
  • Immune System Support: Proteins are the building blocks of antibodies, which play a vital role in the dog's immune system, helping them fight off infections and diseases.
  • Hair and Skin Health: Proteins are also responsible for maintaining healthy skin and a shiny coat.

Given these critical roles, it's evident that protein is a vital component of a dog's diet. But how much protein does your dog actually need?

Ideal Protein Content in Dog Food

The ideal protein content in dog food can vary depending on factors such as your dog's age, size, activity level, and overall health. However, there are some general guidelines you can follow:

Puppy Food

Puppies have higher protein requirements than adult dogs because they are in the rapid growth phase. It's recommended that puppy food contains around 22% to 32% protein content. This higher protein content supports their muscle and organ development.

Related: The Difference Between Puppy & Adult Dog Food.

Adult Dog Food

For adult dogs, the recommended protein content typically ranges from 18% to 25%. However, the specific protein needs of your dog may vary. Highly active dogs, such as working or sporting breeds, may benefit from a diet at the higher end of this range to support their energy and muscle maintenance.

Senior Dog Food

As dogs age, their protein requirements may decrease slightly. Senior dog food often contains about 18% to 22% protein. It's essential to consider your senior dog's overall health when determining their protein needs, as some older dogs may still require a higher protein content. [3]

Special Dietary Considerations

Some dogs have special dietary needs due to health conditions. For example, dogs with kidney disease may require a lower-protein diet to reduce the workload on their kidneys. Always consult your veterinarian if you have concerns about your dog's dietary requirements.

Potential Risks of Excessive Protein

While protein is essential, excessive protein intake can have adverse effects on your dog's health. Some potential risks of a diet too high in protein include:

  • Kidney Strain: High-protein diets can put extra strain on a dog's kidneys, potentially causing issues, especially in dogs with pre-existing kidney conditions.
  • Weight Gain: Excess protein can contribute to weight gain, especially in less active dogs.
  • Digestive Upset: Some dogs may experience digestive upset, including diarrhea, with very high-protein diets.
  • Calcium Imbalance: An imbalanced calcium-to-phosphorus ratio in high-protein diets can affect bone health.


Protein is undeniably essential for your dog's health, supporting muscle development, immune function, and overall wellbeing. The ideal protein content in dog food varies depending on factors like age, activity level, and health status. To ensure your dog receives the right nutrition, consult with your veterinarian and select high-quality dog food that aligns with your dog's specific needs.

Remember, every dog is unique, and what works for one may not work for another. Pay attention to your dog's individual needs, and you'll be on the right track to providing them with a balanced and nutritious diet.


  1. Case, L. P., Carey, D. P., & Hirakawa, D. A. (2011). Canine and Feline Nutrition: A Resource for Companion Animal Professionals. Mosby.
  2. National Research Council (US) Committee on Animal Nutrition. (2006). Nutrient Requirements of Dogs and Cats. National Academies Press.
  3. Laflamme, D. P. (2001). “Nutrition for Aging Cats and Dogs and the Importance of Body Condition”. Veterinary Clinics: Small Animal Practice, 31(4), 713-742.
  4. Freeman, L. M., Chandler, M. L., Hamper, B. A., & Weeth, L. P. (2013). Current knowledge about the risks and benefits of raw meat–based diets for dogs and cats. Journal of the American Veterinary Medical Association, 243(11), 1549-1558.

Vedrana Nikolic

Vedrana Nikolić is Gentle Dog Trainers Canine Coach, Professional Writer, Anthropologist & dog lover.

With a Masters Degree in Semiotics & Bachelors Degree in Anthropology, studying the communication between animals and humans, Vedrana is able to use her expertise to analyse and review dog products and write informative posts on canine behaviour and training.

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