Flunixin and Clenbuterol - changes in the CHRB rules

Two important amendments to CHRB rule 1844 became effective on October 20, 2007. The flunixin regulatory threshold was raised to 50ng/ml in blood form the previous 20ng/ml. This should have little impact in the day-to-day operation of most stables.
Rick M. Arthur, DVM (01 December 2007 - Issue Number: 6)