my baby is 4month 22days old i have introduced bottle with my breastmilk and everytime she takes bottle she consumes only 50 ml the n she refuses bottle milk. how much does they need to consume to be healthy

A. At 4 months, your baby may drink about 4–6 ounces (120-180 milliliters) at each feeding, depending on how often they eat. By 6 months, your baby may drink 6–8 ounces (180–230 milliliters) about 4–5 times a day.