lol hun
Yes this is normal depending on what he is eating.
A typical day for Melie is
8 oz bottle SMA progress and bowl of porridge and bit of my toast

for brekkie
Lunch is: Sandwich,wotsits

and yogurt and fruit
Dinner: Hot dinner and either yogurt or whatever dessert we are having
Bedtime bottle 8 oz
Snacks twice a day too of biccie or banana
Her poos are either little lady poo's (like ours) or sometimes Khaki and liek play-doughy it is all normal so you are doing good job and all is as it should be
Bex