Terry Sim for Sheep Central has reported that a world first lamb grid paying producers on lean meat yield, weight and intramuscular fat, with feedback on animal health at an individual carcase level has been launched by Gundagai Meat Processors in southern New South Wales. On the grid, an intramuscular fat or marbling bonus of 50 cents a kilogram is payable for lambs with an IMF of 5 percent or higher.