 The Global Dairy Index is up slightly. Tuesday's trading session saw the price index go up 0.4% with an average price of $3,837 a metric ton. Cheddar cheese, anhydrous milk fat, and butter prices were up, while lactose, mozzarella cheese, skim milk powder, and whole milk powder prices went down. There were 118 winning bidders in 19 rounds of auction Tuesday, a total of 22,954 metric tons.