7 horses test positive: Godolphin doping scandal comprise winner Encke. A doping scandal has escalated now that seven horses tested positive from the Godolphin organization. The Guardian laid out the details on May 20 of the scandal that includes last year's St. Leger winner, Encke. Nearly 400 horses from a Godolphin group have been tested, and seven horses tested positive for stanozolol. The horses include Encke, Energizer, Improvisation, Steeler, Zip Top, Genius Beat and Stamford. Trainer Mahmood al-Zarooni has been banned from racing for eight years after his involvement in the doping scandal emerged. He is appealing the length of the penalty. While issues were found in al-Zarooni's stable, trainer Saeed bin Suroor's horses came back with negative results. He will be able to take over the license at Moulton Paddocks and the unaffected horses will be able to be saddled. The seven horses who tested positive will be banned from running for six months from the date the sam