DIET & NUTRITION

Is Cow Milk Good for Our Dogs? Lactose Intolerance in Dogs Explained!

Is milk bad for dogs? Our canine nutritionist explains lactose intolerance in dogs, its symptoms, and better alternatives to safeguard your dog’s health.
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In many households across India, it's a common tradition to offer our beloved furry friends a bowl of milk. This practice of feeding milk to dogs is prevalent not only among pet parents, but also among those who take care of community dogs in their neighbourhoods. Many believe that it provides nourishment and comfort to these animals, especially during extreme weather conditions. But is cow milk good for dogs, really? 
While the intent is to care for these animals, the reality is that many dogs are lactose intolerant. Lactose intolerance in dogs is a condition characterized by their inability to properly digest lactose, which is the sugar found in milk and dairy products. This intolerance occurs due to a deficiency of the enzyme lactase, which is responsible for breaking down lactose into more easily digestible components.

Understanding Lactose Intolerance in Dogs

In a lactose-intolerant dog, the small intestine does not produce enough lactase enzyme, or in some cases, it may not produce any at all. Lactase is essential for breaking down lactose into two simpler sugars- “Glucose” and “Galactose” which can be absorbed into the bloodstream. 
When a lactose-intolerant dog consumes milk or dairy products, the undigested lactose enters the large intestine in its intact form, which interacts with resident gut bacteria leading to fermentation. This fermentation process can result in a range of digestive issues including gas and bloating, diarrhoea, abdominal pain as well as nausea and vomiting.

Can Puppies Drink Milk?

It's important to note that the degree of lactose intolerance can vary among individual dogs. Some dogs may tolerate small amounts of lactose-containing foods without significant issues, while others may have severe reactions even to small quantities.
Puppies are generally born with the ability to digest lactose because they rely on their mother's milk for nourishment. However, as they are weaned and transition to a diet that does not include milk, their production of lactase enzymes can decrease. This age-related reduction in lactase can lead to lactose intolerance as dogs grow older.

Though extensive scientific research on this topic is scarce, veterinary publications and textbooks highlight the concerns surrounding lactose intolerance in dogs and its potential consequences. One such study, “Lactose intolerance in the Dog: A Review" published in the “Journal of the American Veterinary Medical Association” (JAVMA) in 1982, emphasizes the importance of recognizing this condition.
Puppy drinking milk from a bottle
Puppies are born with the ability to digest milk initially, but lactose tolerance decreases as they grow up. Picture courtesy: unsplash.com

Key Considerations While Giving Milk to Our Dogs

To safeguard our dogs' health, it's best to avoid providing large quantities of milk or dairy products. Instead, consider specially formulated, lower-lactose or lactose-free alternatives designed for dogs. Always seek guidance from your veterinarian or nutritionist before introducing new foods to your dog's diet.
If you are keen on giving your dog milk, here are some additional considerations when offering milk to dogs:
  • Limit milk intake to a few tablespoons to a small cup per day, preferably diluted in water.
  • If your dog experiences digestive problems like diarrhoea, bloating, or vomiting, refrain from giving milk altogether.
  • Recognize that milk is high in fat and calories, making it unsuitable as a regular part of your dog's diet.
  • Consult with your veterinarian to determine your dog's ability to tolerate milk.

In conclusion, let's reconsider the age-old tradition of sharing milk with our dogs and prioritize their health and well-being above all else. By staying informed and making thoughtful choices, we can ensure a happy and healthy life for our furry companions.

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