4oz at 2 weeks old but will fluctuate throughout the day, so will have like 2 or 3oz and then an hour to two hours later will have a top up of 1oz. Cluster like feeding in the day and then whole bottle during the night feeds
Just had to up to 4oz bottles. Has between 3-4 a feed. He likes a break in between so usually has closer to 4oz
4-5 oz every 3-4 hours at 3 and a half weeks old
4oz at 3 weeks but I will be upping to 5oz soon I'd say