Skim milk powder prices fell 2.9 per cent last month, ANZ said. China accounted for 46 per cent of New Zealand's milk powder exports in the year ended June. Butter markets are more widely dispersed but even so butter prices fell 6.8 per cent, and cheese 2.9 per cent.
Fonterra is forecasting a milk price of $6 a kilogram of milksolids in 2014/15, down from $8.40 in 2013/14.
"Analysts estimate this will reduce farm incomes by around $3.5 billion over the next year, or around 1.5 per cent of GDP," the Treasury said yesterday in its monthly summary of recent economic indicators, adding that "data on milk production and meat processing point to weaker activity, as do anecdotes from the logging industry".
Export log prices fell 2.7 per cent last month. Logs make up 9 per cent of the ANZ index. Williams said inventory was still being worked through in China, which accounted for 71 per cent of the export market for logs in the latest June year.
Sawn timber prices were up 0.2 per cent, supported by competition from domestic demand from the construction sector.