News
Extended Lactation Fortnightly Updates
This page contains Extended Lactation Trial data collected at fortnightly intervals 2025/26 Season EL Trial Update 11 June 26 EL Trial Update 25 June 26 EL Trial Update 09 July 26
Extended Lactation Trial Update 9 July 2026
This project compares the impact on productivity, profitability, people and the environment on three farms: Baseline Farm – Spring calving, twice-a-day milking, 3.0 cows/ha Extended Lactation TAD Farm – 50% herd calving each year, full season twice-a-day milking, 3.0 cows/ha Extended Lactation OAD Farm – 50% herd […]
3 year Summary of Supplement Trial – Lessons learnt
This is a summary of the key lessons learnt from the 3 year Dairying in a Variable Climate trial looking at production and profit responses to adding PKE and other supplements. For more detailed information see the annual summaries at the end of each season. NDDT Supplement Trial […]
Kikuyu Management Guide
Download the farmer guide to managing kikuyu. This general guide has been developed by NDDT and DairyNZ. Farmers should note that optimal management techniques may vary between farms.



