Thu, 30 Apr 2026 09:58:59 +0000

Dogs and Milk: The Shocking Secret No Pet Owner Knows If you’ve ever offered your furry friend a cold glass of milk, you might assume your dog enjoys it as much as a child does. But the shocking truth about dogs and milk reveals more than just a dreamy image—there’s a scientific secret every pet parent needs to know. ### The Surprising Truth About Dogs and Lactose Resistance Despite being mammals, most adult dogs struggle to digest lactose, the sugar in milk. This isn’t just a minor issue—it’s a biological reality rooted in evolution. Unlike human infants, who produce lactase (the enzyme that breaks down lactose) into adulthood, many dogs experience a decline in lactase production after weaning. As a result, drinking cow’s milk often leads to gastrointestinal discomfort in dogs.