The objectives of this study was to find out he potential increase in performance ot the parent embryo transfer recipients with the hormone bST (Bovine Somatotropin) on the palm oil plantations. The study was conducted on June 2011 untill Mei 2012 at PT. Dian Mulia Tani, Rimau Island, Lubuk Lancang, Betung District, Banyuasin Regency, South Sumatera Province. The study used 20 Brahman cows whic…