Donegal Investment Group, formerly Donegal Creameries has seen its revenues fall slightly in the first six months of this year it is reported. The Group operates across agri-inputs, produce, property and other investments. It's reported that its stake in Monaghan Mushrooms, Europe's biggest mushroom grower, has been cut to 30pc and that it has recognised a gain of €800,000 from that transaction.The legal dispute between the two entities continues to rumble on, with an appeal date set for April 2016 on the Commercial Court judgements already made.