Dairy Industry Overview

Milk;
Fat - cream, butter, buttermilk, ice cream;
Protein - acid vs. rennet, casein and cheese, hard cheese vs. soft cheese, whey, cottage cheese, yogurt, sour cream;
Sugar / Lactose - mei chalav, meimei chalav, uses
Water and minor components



See seforim by Rabbi Cohen at www.kashrushalacha.com