I wanna ask the same question as well....mine drinks 5 times a day @6oz per below timetable now and I am thinking whether I should change to 4 times @7oz per below.
1) 5 times @6oz
8:00am --> 12:00pm --> 4:00pm --> 8:00pm --> 12:00am
2) 4 times @7oz
8:30am --> 1:00pm --> 5:30pm --> 10:30pm