milk powder ( formular) is better than fresh milk for the baby. Because all formular have difficult nutrition disturbution for dietary requirements. And it divided into 3-4 stage which can meet different needs for growth ( more protein % in stage 3-4 and more carbonhardates % in stage 1-2). Therefore, baby can get adequate nutrition even they feeded by formular only.
For the fresh milk which is a standard nutrition porprotion. And not recommanded for baby.