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Danny's Cats

Litter and hygiene

Covered vs open litter box

Also called Hooded litter box, Uncovered litter box

Updated

Covered or open litter box: which is better?

A covered litter box has a lid and a doorway, and an open box has neither. Welfare guidance leans toward open boxes: the AAFP and ISFM guidelines recommend them whenever possible, and Cornell says most cats prefer an uncovered box. Research cited by the AAFP and ISFM found cats split evenly, so some cats use covered boxes without trouble.

Why do welfare groups prefer open boxes?

Covers hold smells in and block the view. Cornell says that from a cat's point of view covers hold odors in, and that most cats prefer an uncovered box that lets odors escape and allows a 360 degree view. Battersea advises avoiding covered trays if possible, because they can trap smells and limit visibility.

The AAFP and ISFM guidelines recommend open boxes whenever possible because they make it easier for owners to keep an eye on the box and scoop often.

Do all cats prefer open boxes?

Not all cats prefer open boxes. The AAFP and ISFM guidelines cite research showing cats are equally divided in their preference for large covered boxes versus uncovered ones, and say the preference may depend more on how regularly the box is cleaned than on the cover. They add that small covered boxes may make it hard for larger cats to posture normally.

Why do people choose covered boxes?

Cornell notes that people like covers for reducing odor and stray litter. A cover also hides the box. If you use one, keep it clean and watch whether your cat goes on using it.

What to look for

  • Open, where your home allows it
  • If covered, a box large enough to turn and squat in
  • A lid that lifts off easily, so you can try the box open

Using a cover to hide a box that needs cleaning

A lid keeps smells in, where the cat meets them. The AAFP and ISFM guidelines say no product removes the need to clean litter boxes regularly, so scoop a covered box at least once a day.

Questions about covered vs open litter box

My cat avoids its covered box. What should I try?

Battersea suggests removing the lid from a covered tray as one of the things to try, and the ASPCA suggests removing covers and liners. If the change is sudden, or your cat is straining, see your vet first: Cornell says cats having problems using the box consistently should be checked by a veterinarian.

Are covered litter boxes bad for cats?

Covered litter boxes are not necessarily bad for cats. Many cats use them, and the AAFP and ISFM guidelines cite research showing cats split evenly between large covered and uncovered boxes. Open boxes are the default advice because they are easier to keep an eye on and hold fewer smells.

Where this comes up

Sources