Last year’s Ladbrokes St Leger hero Encke was the highest-profile name among seven further Mahmood Al Zarooni-trained horses to test positive for anabolic steroids.

Last year's Ladbrokes St Leger hero Encke was the highest-profile name among seven further Mahmood Al Zarooni-trained horses to test positive for anabolic steroids.

Mahmood Al Zarooni has been disqualified for eight years by the disciplinary panel of the British Horseracing Authority after admitting administering anabolic steroids to horses in his care.