Although still some drop (by normal milk powder), as supported by butter milk powder and the NZ food price index (NZ govt) and farmer is happy for this recent less drop (better-than-expectations). All that make a big rise on NZD/USD (I suppose).
Dairy product prices fall to the lowest level in 2015
https://nz.finance.yahoo.com/news/dairy-product-prices-fall-lowest-185000852.html
Today will have
16Apr Price Index News: April 2015 – newsletter
from NZ govt soon.
http://www.stats.govt.nz/