PRICES of dairy products sold on Fonterra's GlobalDairyTrade platform fell for the third time in four sales.
The GDT-TWI Price Index fell 0.9 per cent from the last sale a fortnight ago, with declines for all six product types on offer.
The average winning price across all products dropped to $US3,666 per metric tonne.
The price of whole milk powder fell 0.9 per cent to $US3,533.
Whole milk powder typically accounts for more than half the product sold on the platform.
A total of 28,011 metric tonnes of product was sold, down from 31,026 tonnes in the previous auction.
Skim milk powder fell 0.5 per cent to $US3,296 a metric tonne. Anhydrous milk fat dropped 3.5 per cent to $US3,942/tonne and cheddar declined 1.1 per cent to $US3,640/tonne.
Milk protein concentrate fell 4.9 per cent to $US5,569/tonne and rennet casein dropped 4.3 per cent to $US7,715/tonne.