South Korean feed makers groups have bought a total of 50,000 tonnes of South American soyameal for feed production from Cargill in private talks, traders said on Friday. The Major Feedmill Group (MFG) and the Korea Feed Association (KFA) jointly bought the soyameal on Thursday at $238.33 per tonne on a cost-and-freight (C&F) basis for arrival on March 20, 2005 at the port of Inchon, they said.