Zilpaterol

The Roger Varian-trained fillies Angel Power (GB) (Lope De Vega {Ire}) and Queen Daenerys (Ire) (Frankel {GB}) have been disqualified from listed wins at ParisLongchamp in September as a result of the well-documented Gain feed contamination saga that also saw Aidan O'Brien scratch his four runners from the G1 Prix de l'Arc de Triomphe. France Galop has revealed that 12 horses tested positive for the prohibited substance Zilpaterol as a result of the feed contamination, but all the trainers involved-including Varian, who was the only overseas trainer affected-have been cleared...

After a weekend of intensive testing of GAIN's equine feed ranges, batches and individual ingredients, progress has been made in the investigation into the presence of Zilpaterol in the contaminated feeds, the company announced late on Monday evening. The synthetic beta-agonist Zilpaterol, approved for use as a performance-enhancer in some beef production systems outside the EU, was found in some positive tests on horses that had consumed GAIN products in France last week. GAIN stressed that Zilpaterol has never formed part of any formulation in any GAIN animal nutrition ranges....

Australian runners trained by Aidan and his son Joseph O'Brien have undergone tests by Racing Victoria to see if they came back positive for the synthetic substance Zilpaterol, which had been found in contaminated GAIN feed. Both O'Briens and Aidan's other son Donnacha were forced to scratch all of their runners on Arc Sunday after they tested positive for the substance. The O'Briens' 10 horses arrived in Melbourne on Friday night and are under quarantine for two weeks at the International Horse Centre in Werribee. A statement by Racing Victoria...

A handful of positive tests for the prohibited substance Zilpaterol in France has led to an investigation of the products of equine nutrition company GAIN after it was found that all five affected horses had been fed the company's products. Testing of GAIN products subsequently returned positive results for Zilpaterol. Zilpaterol is a synthetic substance used to promote weight gain in cattle. The products in question as stated by France Galop are racehorse cubes, racehorse mix and opti-care balancer. GAIN has advised customers to cease feeding its products while an...