 By the end of the year the garrison had swollen to 12,000, mostly due to troops pulling out of Milanese strongholds.Frederick of Württemberg established patrols along the Po and Oglio Rivers to monitor allied movements in January 1734, and fortified the Tyrolean border with Milan.By March the army's size had risen to 24,000, and Field Marshal Florimund Mercy had taken command of the forces.