This is:
To do it, it is a native fitch.

Cats are not innate. Cats lick newborn kittens, from such a'massage' in their abdomen and urination occurs. Kittens breeders can massage the cats' stomachs with their hands or a wet cloth that the kittens could handle in need. The cats themselves, of course, learn to do this over time and without massage, but not immediately.