how to find it
Palpation of the side : Put your palms on the side and move it back and forth, you need to be able to feel the ribs without too much pressure.
Palpation of the back : Move your hand over the spine to the pelvis, you should feel the vertebrae.
Evaluation of the ventral adipose pocket : pass the hand under the belly, feeling the "fat bag", which must not look like a skin of fat.
why a cat becomes obese
you can run into different risks, being much more subject to some diseases (even very serious), for example:
how to prevent obesity
It is necessary to intervene as soon as the cat begins to gain weight, making him move a lot, or play, you must often play with him by providing him with a stimulating environment.
Food must be dosed according to the right dietary tables, not being pity by giving him extra food. If you are unsure of the right diet for your little friend to follow, you can ask your vet to designate one for you.
what to do
First of all, each member of the family must agree on the fact that the cat should lose weight, in this way it is avoided that someone gives tidbits outside of meals.
Then you just have to follow the same rules of prevention, that is to follow a balanced diet (perhaps having it prescribed by your vet), play with it a lot and keep your weight under control.
never be pity
A big problem that causes a cat to obesity and makes it difficult for him to go out is the fact that the owners take pity, never do it and stick to the prescribed diet.