An additive-application installation integrated with a first conveyor device for meat products, e.g. slaughtered poultry or parts thereof, said first conveyor device having product holders which can be displaced along an associated first conveyor track.The installation comprises a second conveyor device, which at a transfer point is able to take over meat products from the first conveyor device, which second conveyor device forms a second conveyor track for the meat products, along which second conveyor track one or more additive-adding stations, for example an electrostatically operating station, are arranged, and wherein the second conveyor device is adapted to guide the meat products, after one or more additives have been added at said one or more additive-adding stations, back to the first conveyor device and transfers the meat products back to the product holders of the first conveyor device.The installation comprises control means adapted to ensure that only meat products which are to be treated by said one or more additive-adding stations are transferred to the second conveyor device, while other products, which are not to be treated, are conveyed onwards along the first conveyor track.
