2, milk powder formula raw milk or skim milk powder which is better.

3. The difference between whole milk and skim milk.

4. What's the difference between skim milk and whole milk?

1. Raw milk refers to fresh milk that has just been squeezed out and can only be drunk after pasteurization.

2. Skim milk refers to milk with fat content less than 0.5%. It is a dairy product that removes fat from normal raw milk through processing technology, so that its fat content is less than one seventh of that of ordinary milk.