Irish Dairy Herd Expansion October 1, 2015 12:00 am The strong growth in the Irish dairy industry is shown by the latest June Survey figures released by Ireland’s Central Statistics Office (CSO). As the table below shows, the number of dairy cows has increased by almost 6% year-on-year to nearly 1.3m animals. The herd has grown by over a fifth in the years since 2010. IRISH DAIRY COW NUMBERS – Source: CSO 2010 2011 2012 2013 2014 2015 Change 2010-15 Change 2014-15 Number – ‘000 head 1,071 1,117 1,141 1,163 1,226 1,296 +21% +5.7%