Affiliation: | 1.DairyNZ, 24 Millpond Lane, PO Box 85066, Lincoln, 7608, New Zealand ;2.Lincoln Science Centre, AgResearch, Private Bag 4749, Christchurch, 8140, New Zealand ;3.Faculty of Agriculture and Life Sciences, Lincoln University, PO Box 85084, Lincoln, 7647, Christchurch, New Zealand ;4.DairyNZ, 605 Ruakura Road, Private Bag 3221, Hamilton, 3240, New Zealand ;5.Department of Geography, Environment and Population, School of Social Sciences, University of Adelaide, Adelaide, Australia ; |