There are even special litter boxes sold that are intended to go on the toilet seat for this type of training. But as cool as this is, I believe it can be dangerous, especially for owners of male cats. Cats' urinary habits are important to keep an eye on. A change in urination volume or frequency can be the sign of a critical issue that requires veterinary attention. You just can't easily track urine volume if the ca…
And if you have a male cat it’s important to also make sure they’re getting enough liquid, especially if they’re on a dry food diet. My cat almost died while I was out of town because he stopped drinking from stress I guess and was only on a dry diet. Now they’re on a can diet and healthy.
There is an issue of Royal Canin Veterinary Focus that focuses on lower urinary tract disease in cats and dogs: https://vetfocus.royalcanin.com/en/-/media/vet-focus/en-us-p...
There are interesting sections on Feline Idiopathic Cystitis and blockage, which talk about water management as well. On page 23, there is a table called "Table 1. Clinical features of cats diagnosed with cystitis with (n = 8,220) or without (7,862) concurrent pyuria in 2012."
At the bottom of the table are a few rows on diet. ~3.5% of cats in the sample were on a canned-only diet. ~19.2% were on a mix of dry and canned food. 77.3% were on a dry-only diet (percentages slightly varied for those with pyuria).
