01/11/2026
🌟 I'm an Egg Feeder! 🌟
Because the humble egg deserves far more recognition in canine nutrition!
Chicken, duck or quail, eggs are among nature's most nutrient-dense foods. They provide highly digestible protein, essential amino acids, fats, vitamins, minerals and a range of biologically important compounds.
For dogs eating a fresh-food diet, eggs can be a particularly useful nutritional addition. They offer a remarkable combination of nutrients in a relatively small package.
But what exactly makes an egg so valuable?
Let's crack one open and look at the science! 🥚
💪 PROTEIN – BUILDING AND MAINTAINING THE BODY
Eggs contain all ten essential amino acids required by dogs.
Essential amino acids cannot be produced in sufficient quantities by the body, so they must be supplied through the diet.
These amino acids are needed for:
• Building and maintaining muscle tissue.
• Producing enzymes and hormones.
• Supporting immune function.
• Maintaining skin, coat and other body tissues.
• Growth, tissue repair and recovery.
Egg protein has a high biological value, meaning it provides an excellent balance of essential amino acids in a form that is readily digested and utilised.
This is particularly valuable during growth, pregnancy, lactation and periods when maintaining muscle condition is important.
🧠 CHOLINE – MORE THAN JUST A BRAIN NUTRIENT
The egg yolk is a particularly good source of choline, an essential nutrient involved in several important physiological processes.
Choline is needed to produce acetylcholine, a neurotransmitter involved in memory, learning, muscle control and communication between nerve cells.
It also contributes to:
• Cell membrane structure through phospholipids.
• Normal liver function and fat metabolism.
• Transport of fats from the liver.
• Normal nervous system function.
Choline is important throughout a dog's life, from development through to ageing.
Although its role in brain function makes it an interesting nutrient when discussing cognitive health, we should not claim that feeding eggs prevents canine cognitive dysfunction. That benefit has not been established in dogs.
🟡 THE YOLK – A CONCENTRATED SOURCE OF NUTRIENTS
Don't throw away the yolk!
While the egg white provides much of the protein, the yolk contains a considerable proportion of the egg's vitamins, minerals and fats.
Depending on the egg, the yolk supplies:
• Vitamin A – important for vision, immune function and healthy epithelial tissues.
• Vitamin D – involved in calcium and phosphorus regulation and skeletal health.
• Vitamin E – an important antioxidant.
• Vitamin K – involved in normal blood clotting.
• Vitamin B12 – essential for nerve function and red blood cell production.
• Riboflavin and folate – involved in energy metabolism and cellular function.
• Selenium – important for antioxidant defence and thyroid function.
• Phosphorus and iron – involved in bone structure, energy metabolism and oxygen transport.
The yolk also contains phospholipids and essential fatty acids, which contribute to cell membrane structure and normal physiological function.
The white and yolk work together to provide a particularly useful nutritional combination.
🦴 EGGSHELL MEMBRANE – AN INTERESTING CONNECTION TO JOINT HEALTH
There is another part of the egg that deserves attention.
The thin membrane lining the inside of the eggshell contains collagen, glycosaminoglycans, hyaluronic acid and other structural proteins and compounds associated with connective tissue.
These substances are important areas of research in joint health because cartilage, tendons and ligaments rely on an organised extracellular matrix to maintain their structure and function.
Several canine studies have investigated concentrated eggshell membrane supplements in dogs with joint problems. Some have reported improvements in pain and function, although the evidence remains limited and further research is needed.
It is important to distinguish eggshell membrane from the hard shell itself. The shell is predominantly calcium carbonate and is a calcium source, whereas the membrane has a different nutritional composition.
🍳 RAW OR COOKED – WHAT ABOUT AVIDIN AND BIOTIN?
One of the arguments often raised against feeding raw eggs is the presence of avidin, a protein in egg white that binds biotin (vitamin B7) and reduces its availability for absorption.
However, there is an important distinction between feeding raw egg whites and feeding whole eggs.
The yolk is an excellent source of biotin and contains the vast majority of the egg's biotin. The amount of biotin in the yolk is broadly comparable to the biotin-binding capacity of avidin in the white.
This means the avidin–biotin interaction is not necessarily a practical concern when feeding whole eggs. The situation is quite different when raw egg whites are fed repeatedly without the yolk.
Cooking denatures avidin and removes its ability to bind biotin. It also improves the digestibility of egg protein.
There is no need to overcook eggs. Gently cooked eggs (runny yolk) are a practical option for providing their nutritional benefits.
🥚 CHICKEN, DUCK OR QUAIL?
All three can provide valuable nutrients.
Chicken eggs are the most readily available and offer an excellent nutritional profile.
Duck eggs are generally larger and often contain more fat and some nutrients per egg, although their composition varies.
Quail eggs are much smaller, making them convenient as occasional additions or treats.
The important consideration is portion size. A duck egg is not nutritionally equivalent to a quail egg simply because both are one egg!
⚖️ HOW MANY EGGS SHOULD A DOG EAT?
There is no universal number that suits every dog.
The appropriate amount depends on body size, age, activity level, overall diet and individual nutritional requirements.
Eggs should contribute to a varied diet rather than displace other important ingredients. Even though they are nutrient-dense, eggs alone do not provide everything a dog needs.
For growing puppies, pregnant and lactating bi***es, and dogs with specific health requirements, the overall dietary formulation is particularly important.
🌿 THE TAKE-HOME MESSAGE
The humble egg provides an impressive combination of highly digestible protein, essential amino acids, fats, choline, vitamins and minerals.
It supports normal muscle maintenance, cellular function, metabolism and many other physiological processes.
And while eggshell membrane offers an interesting area of research into connective tissue and joint health, we should distinguish promising findings from proven clinical benefits.
I love foods that provide a range of useful nutrients without needing a long list of added ingredients. Eggs are a wonderful example of nutritional variety in a naturally occurring food.
Sometimes, one of the most valuable additions to a dog's food bowl is also one of the simplest.
🥚 Nature certainly gave us something special in the humble egg!
Donna Williams,
Emerald Park Border Collies.
www.emeraldparkbc.com
"My mission is to make life better for at least one dog today!"