One of the most common and under-discussed causes of poor solid food intake is excessive milk consumption. This typically shows up around 9-12 months: baby is supposed to be eating more solids, but they're barely interested because they're filling up on milk.
If baby is drinking more than 32 ounces of formula per day (or nursing very frequently with long sessions), they may not have room for solids. Milk is calorie-dense and filling. A baby who's full of milk simply isn't hungry for food.
The fix is gradual, not abrupt. You don't cut milk intake dramatically overnight. Instead, start offering solids before milk at one or two meals. Gradually reduce the volume of bottles or the duration of nursing sessions. The goal is to create enough appetite for solids without cutting milk so aggressively that baby loses weight.
After 12 months, the milk concern flips. Too much cow's milk (more than 24 ounces per day) can suppress appetite for food AND interfere with iron absorption, potentially causing iron deficiency anemia — one of the most common nutritional deficiencies in toddlers. If your toddler prefers milk over food, limiting milk to 16-24 ounces per day usually increases food interest.