The shortest legs need the lowest entry
For an older Exotic Shorthair, the litter tray entry should be about one and a half to two inches high, lower than the step you would offer most other senior cats. The Exotic Shorthair is a stocky, heavy-boned cat with short legs and a low-slung body, bred with a round head and a flat face. His belly clears the ground by very little, so a rim that looks modest beside a long-legged breed can scrape his underside or force him to haul his substantial front end upward before his hind legs get any purchase. A genuinely walk-in entry, closer to stepping onto a shallow pan, matches the body he actually has.
Weight, breathing and the cost of climbing
An older Exotic Shorthair pays for a high entry twice over. First, his short legs must lift a dense, muscular body, and arthritic elbows and hips make that lift painful rather than merely effortful. Second, his flatter face means hard exertion is less comfortable for his breathing, so repeated small climbs across the day add up for a cat who already prefers a calm, unhurried life. Owners often see the result as laziness: this cat naps near the tray, uses it less often, or chooses a soft pile of laundry at floor level. In a senior Exotic, floor-level toileting beside a tall tray is usually a cat reporting that the climb, not the location, is the problem.
Shaping a tray a heavy, low cat can trust
Pick a sturdy tray that does not flex or tip when this Exotic Shorthair puts his weight on the lowered edge, because a wobbling rim will shake his confidence faster than height alone. The entry should be broad, since his round body turns in a wide arc, and the inside floor should be level with a moderate layer of litter so he is not wading once inside. Soft, fine litter is gentler on the paws of a heavy cat who stands in one spot to dig. Keep the uncut sides high, as Exotics can be vigorous sideways kickers, and place a low-pile mat outside so his short stride off the step does not end in a skid.
Signs the entry is still too much for him
Watch how an older Exotic Shorthair leaves the tray, not just how he enters. Reluctance often appears on exit, when he must lift himself from a crouch with tired muscles: front paws hooked over the rim, a rock backwards before stepping down, or waste deposited with his hindquarters still outside the opening. Also watch his breathing and willingness to return later in the day, since a cat who manages the morning visit may avoid the tray by evening. Straining, repeated unproductive trips, vocalising in the tray or any blood are not tray problems to solve at home; those signs mean a vet should see this Exotic promptly.
Consistency for a cat who dislikes change
Exotic Shorthairs are creatures of deep routine, and an older cat may reject a new tray simply because it smells and feels unfamiliar, even when its entry is better. Introduce the low tray beside the old one, transfer a little of his used litter into it, and let him choose before removing the original. When he has settled, note the entry height and tray style in KinsLe Pet Passport so the measurements sit with his senior records and a well-meaning helper never swaps him back into a tall-sided box.