James Toner feeds cows at his family’s dairy farm in Northern Ireland’s County Armagh. Thirty-five percent of Northern Irish milk is sold to Ireland. Northern Irish farmers who have built lucrative cross-border trade with the Irish Republic are especially worried about the possibility of a no-deal Brexit.

James Toner feeds cows at his family’s dairy farm in Northern Ireland’s County Armagh. Thirty-five percent of Northern Irish milk is sold to Ireland. Northern Irish farmers who have built lucrative cross-border trade with the Irish Republic are especially worried about the possibility of a no-deal Brexit.