A second Newmarket trainer has admitted giving anabolic steroids to his horses.
Gerard Butler follows Mahmood Al Zarooni who was banned for eight years last week for using the drugs on some of his horses.
Mr Butler says horses in his Egerton House Stables were only given the treatment under advice from vets.
It comes on the day drug testing got underway on the remaining 150 horses at Sheikh Mohammed's Moulton Paddocks stable where Al Zarooni had been in charge
Racehorse trainer Mahmood Al Zarooni has been disqualified for eight years after 11 of his horses tested positive for anabolic steroids.
The Newmarket Godolphin stables are at the centre of horse doping allegations involving 11 horses and the trainer Mahmood Al Zarooni.