Dairy for Dogs: A Complete Guide
The earliest documented recommendations for feeding dairy to dogs date back over 2,000 years. Back then, the Roman scholar Marcus Terentius Varro explicitly advised that farm and herding dogs should be fed barley bread soaked in milk. During the medieval period, dairy shifted from a basic farm scrap to a specialised dietary treatment for elite hunting and working dogs.
As humans developed agriculture and dairy farming, dogs lived — and scavenged — right alongside them. This created an evolutionary pressure that changed canine DNA. Recent genetic sequencing shows that dogs of European and Middle Eastern descent possess a genetic mutation that allows many modern adult dogs to continue producing lactase and digesting dairy into adulthood, mirroring the exact evolutionary path of human dairy-farming populations.
What is dairy produce?
Dairy produce refers to any food or beverage made from or containing the milk of mammals. While it most commonly comes from cows, it also includes milk harvested from goats, sheep and water buffalo.
What are the health benefits of feeding dogs dairy?
Feeding dogs certain dairy products can provide essential minerals like calcium, high-quality proteins for muscle development and beneficial probiotics for gut health. However, because many dogs are lactose intolerant, these benefits are best obtained from specific, low-lactose fermented dairy products rather than standard cow’s milk.
Key nutritional benefits:
- Bone and teeth strength: dairy is rich in calcium and phosphorus which help maintain skeletal health.
- Muscle maintenance: high-quality proteins and amino acids support tissue repair.
- Immune support: vitamins A, D and B-complex help regulate the immune system.
- Digestive health: fermented dairy supplies live bacteria that improve gut flora.
Safety guidelines
- Lactose intolerance: many adult dogs lack the enzyme lactase which can leading to wind, bloating and diarrhoea if they drink standard milk.
- High fat and calories: regular dairy consumption can cause weight gain or trigger pancreatitis, a serious inflammation of a pancreas that is already compromised.
- Toxic additives: never feed dogs dairy containing artificial sweeteners like xylitol which is highly toxic to dogs.
How to feed dairy to dogs
See individual dairy ingredient pages.
How much dairy can dogs eat?
Dairy products as a whole should not make up more than 10 percent of your dog’s daily calorie intake.
The Dog Chef Guide to Homemade Dog Food
Looking to supercharge your dog's diet with fresh food?
Best dairy options for dogs
To maximise benefits while avoiding digestive distress, choose options that are naturally low in lactose:
- Kefir highly recommended; packed with diverse probiotic strains to aid digestion.
- Greek yogurt: Unsweetened yogurt provides calcium and protein with minimal lactose.
- Raw goat’s milk: contains smaller fat globules and lower lactose than cow’s milk, making it much easier to digest.
- Hard cheeses: cheddar or Swiss make excellent high-reward training treats because the curing process removes most lactose.
- Cottage cheese: provides dogs high-quality protein for muscle repair, calcium for strong bones, and gentle probiotics for a healthy gut.
- Cream cheese: offers minor nutritional benefits like calcium, protein and essential vitamins, but it is not a true health food for dogs and functions best as an occasional high-value treat or a handy tool for wrapping up pill.
Frequently asked questions
Q. Why does dairy cause stomach upset in some adult dogs?
A. Puppies produce high levels of lactase which enables them to digest their mother’s milk. As they age and switch to solid food, their bodies sharply decrease lactase production. Undigested lactose passes into the large intestine and ferments, causing immediate gastrointestinal pain.
Q. What are the symptoms of lactose intolerance?
A.
- Loose stools
- Severe diarrhoea
- Painful wind
- Severe bloating
- Regular vomiting
Q. Can I feed my dog cheese or yogurt instead of milk?
A. Yes you can, but only in modest quantities.
Q. Is it safe to give cow’s milk to a puppy?
A. Cow’s milk contains way too much lactose and lacks the dense protein levels puppies need. If an unweaned puppy is separated from its mother, use a puppy milk replacement instead.
Q. Are plant-based milk alternatives safer?
A. Yes, in moderation, but always with the advice of a specialist dog nutritionist.
Q. What are the long-term risks of feeding dairy?
A. The high fat content in dairy can contribute to canine obesity. It can also cause sudden, life-threatening inflammation of the pancreas if a dog already has a compromised pancreas as a result of eating dry, carbohydrate-rich commercial dog food for a long period of time.
100% Natural Dog Supplements
If you make homemade food for your dog, you'll need to supplement to make that food complete. My natural supplements are made in-house with canine nutritionist approved 100% natural ingredients with no additives or preservatives of any kind.
Browse individual posts
Kefir for Dogs: A Complete Guide
Kefir originated thousands of years ago in the Northern Caucasus Mountains. Nomadic herders . . .
Yogurt for Dogs: A Complete Guide
Yogurt was first discovered by ancient nomadic tribes thousands of years ago when . . .