April 08, 2013 at 06:00AM Purina identifies window of zilpaterol contamination at Turlock, Calif., plant

Racing board lifts ban on feed made after March 27.



via DVM - Breaking News http://veterinarynews.dvm360.com/dvm/Veterinary+Equine/Purina-identifies-window-of-zilpaterol-contaminati/ArticleStandard/Article/detail/810024?contextCategoryId=378&ref=25