This page contains publications and papers presented at past NDDT Conferences and Field Days. For more information contact Kim Robinson on 0274339465 or email

2023 Conference Proceedings

2023 NDDT Conference Handout

June 2022 Field Day Proceedings

Future Farm Systems Yr 1 Results June22

June 2021 Field Day Proceedings

NDDT Field Day Handout June 21

June 2020 Field Day Proceedings

NDDT Field day handout June 20

June 2019 Field Day Proceedings

NDDT Field Day Handout June 2019

Annual Conference Proceedings Apr 2019

Cow Fertility Research Chris Burke DairyNZ

Current Supplement NARF Trial Update March 2019

NRC Update D Kervell

Supplement Trial Profit Analysis K McCahon

May 2018 Field Day Papers

Imported Feed Trial Final Results 2018

Cost of Marginal Milk

Transition Cow Mgmt

Annual Conference Proceedings Feb 2018

Download the individual papers and presentations here

FEI Mgmt on Farm

Imported Feed Trial Update Feb 2018

Diversified Forage Trial Feb 2018

John Wilson Fonterra

Doug Steele BNZ

Extension 350 Project

Dairy Beef Opportunities for Farmers

Latest Repro Research DairyNZ

Priming the Cow for Calving

An excellent paper on managing the transition cow from Dr. John Roche

Transition Cow Management

LURDF Pre-Graze Mowing Trial

Jane Kay’s Paper on the mowing trial at Lincoln University which showed no effect on BCS or milk production of mowing pasture pre-grazing.

LURDF Pre-Mowing Trial

2017 Conference Proceedings

Download the conference proceedings here. For more information email

2017 Conf Proceedings

Kikuyu Mgmt Guide

Download the new farmer guide for best practice kikuyu managment

Kikuyu Mgmt Guide

Marginal Milk is Expensive

DairyNZ Scientist John Roche uses the data from year 1 of the Imported Feed Trial to calculate the high cost of the extra milk produced when importing supplements or growing crops. He asks “Are you making money from milk or milk from money?”

Marginal Milk Cost

Imported Feed Trial Year 1

This paper was presented at the Dec 2016 field day and summarises the results from the first 18 months of the Reducing Reliance on Imported Feed Trial at NARF

Imp Feed Trial Season Update Dec 2016>

Back to the Future – Spring Pasture Management

A paper presented by scientist John Roche at the May 2016 field day explaining important pasture management principles to help farmers manage the farm through the spring with or without supplements

Pasture First Spring Management