The Global Dairy Index has fallen for a seventh straight trading session, down 7.4% Tuesday.
There was a rebound in the Cheddar cheese market, but all other products lost value.
Cheddar cheese was up 5.8% to $4,127 per metric ton, or $1.87 per pound.
Whole milk powder prices fell 10.9% to $2,548 per metric ton, or $1.15 per pound.
Skim milk powder was down 5.2% at $2,333 per metric ton, or $1.05 per pound.
