The reason why cats can’t drink cow’s milk

The reason why cats can’t drink cow’s milk

One of the biggest misconceptions that is conveyed a lot through movies and series is the idea that kittens can drink cow’s milk. However, this is totally wrong! Cats cannot drink cow’s milk and here’s why.

Cats end up lactose intolerant

Kittens drink their mother’s milk for the first three weeks of life. To understand why cats can’t ingest cow’s milk, you have to understand how the cat digestive system works. It turns out that in order to digest milk, enzymes found in the digestive system are needed.

In the case of cow’s milk, the enzyme lactase is needed, which is essential to be able to ‘break’ lactose (found in milk) into its two sugars: glucose and galactose. It is thanks to this process that we can absorb milk.

Why can’t cats do this process?

Cats when they spend the first three weeks of drinking breast milk and are weaned have a decrease in the number of lactase enzymes and may even disappear.

That is why they can no longer drink milk because they are lactose intolerant as it can happen to any human being.

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