sentences:  Kahyasi undertook stud duties at the Aga's Ballymany Stud in Ireland.He was later moved to stand at the Haras de Bonneval in Normandy until June 2008 when he was put down at the age of 23 after being diagnosed as suffering from a tumour.On hearing of Kahyasi's death, Cumani paid tribute to his Derby winner, calling him "a great horse and a great friend."