(ShareCast News) - Swiss food group Aryzta has placed its entire stake in Irish agri-services company Origin Enterprise for €228.5m.Origin said Aryzta has placed 36.3m shares, equivalent to 29% of the company's issued share capital at a price of €6.30 per share.The placing is expected to complete on 29 September.Aryzta's chief executive officer, Owen Killian, said: "Origin Enterprises is an outstanding company and has carved out a niche as the most innovative, research based Agronomy Business in Europe."The long-term prospects for Origin are excellent and I wish Tom and his colleagues continued success. I will resign as Chairman of Origin Enterprises in October having held the role since we launched the business in 2006."At 1457 BST, Origin shares were down 4.2% at 6.80p.