The bloated belly of newborn cats may be caused by overeating, indigestion, intestinal obstruction, infectious peritonitis, etc. You can feed a little less probiotics and observe it for a day. If it does not improve after one day, it is best to bring a baby The cat should be checked at the pet hospital.
Tips:
When feeding kittens, you must be careful not to feed too much at one time. It is best to feed small amounts multiple times to avoid indigestion in kittens.