He is defecating more frequently after drinking milk and is doing it 8/10 times a day.

A. As you would be interested in knowing that kids really have a very poor digestion in this age which is why they pooped a lot and sometimes instantly after taking a feed the child and poop and that is very normal the consistency can also be more of liquid during this time so it seems like a very normal scenario but in case of doubt please talk to your doctor