They say a change is as good as a rest. Father and son duo Gerard and John Dullea might argue as to whether or not their 35 suckler cows provide them with a rest at the weekend, but they would probably agree that the herd is a welcome change after their working week. Gerard is a builder and works on both agricultural buildings and dwelling houses. His son John, 24, is in the second year of a graduate programme with Dovea Genetics.