If a cat eats dry food or canned food, how much extra water does it need to drink every day?

Oct 25,2023
3Min

Water is a clear need for animals and humans. Drinking water is essential both to stay healthy and to replace fluid losses.

Cats are originally animals from the desert, and wild animals often get the water they need from prey, which is why they can go longer without drinking water in the wild.

But for domestic cats, the situation is different, because they cannot absorb water from prey, so they need additional water.

How much water do cats need to drink?

Adult cats must drink the exact same water as the food they eat.

In veterinary medicine, cats require 44-66ml of water per kilogram of body weight.

Canned food may contain up to 80% water, while dry food contains only 7% to 12% water. If you give your cat dry food regularly, you may even need to provide more water.

In other words, if a cat weighs 5 kilograms, the minimum daily water requirement of this cat is 220 ml.

This cat needs to eat 80 grams of dry food according to the feeding standard, so the food provides 8 ml of water, which means that the cat should drink 212 ml more water.

According to the feeding standard, this cat needs to eat 250 grams of canned food, which can provide 200 ml of water. This means the cat only needs to drink 20ml more.

A cat can survive on water alone without food for about two weeks.

However, if there is no water, the cat will not survive for more than 4 days.

In addition, be careful of dehydration caused by vomiting and other health problems in cats.

How to know how much water your cat drinks?

You can check your cat's water intake every day by adding water from a bottle or a graduated cup.

If the room is relatively dry, a large amount of water may evaporate. This measurement also requires averaging if multiple cats share the same bowl.

The best way to check if your cat is dehydrated is to test your cat’s skin elasticity. Lift the skin between your cat's shoulders and release. If the skin takes more than a second to return to its original state, the cat is showing signs of dehydration. Please replenish water as soon as possible. In severe cases, seek medical treatment. .

The drinking water at home must be changed frequently, add more bowls in different places, and increase the moisture in the diet.

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