Dairy product prices rose 2.7 per cent at the latest Global Dairy Trade auction after four consecutive declines.
The average price was US$3412 a tonne, compared with US$3302 a tonne two weeks ago.
Some 25,000 tonnes of product was sold, up from 24,711 tonnes two weeks ago.
"This follows four consecutive decreases in the index and was likely linked to tighter global milk supplies with demand at this event firming for milk powder, milk fats and cheese," NZX dairy analysts Robert Gibson and Amy Castleton said in a note.