“…New Zealand significantly increased its milk production during the EU milk quota era, mainly through increased cow numbers and yield increases resulting in more intensive production methods (Dillon, 2011). Given the rapid production increase of Irish milk production since quota removal, which is expected to continue, some argue that Ireland will experience a similar growth path to New Zealand by also increasing cow numbers, yields and stocking densities (Hurley and Murphy, 2015;Dillon, 2011). However, New Zealand's dairy expansion came at significant environmental costs resulting from nitrate contamination of drinking water, nutrient pollution of lakes, soil compaction and greenhouse gas emissions (Foote et al, 2015).…”