The TDN article "In Lab Variability, Horse Racing Playing Catchup With Human Sports" raises some important issues and, although its consideration of them is fair, it only does this from a USA perspective. While this is understandable, it is also relevant to look at the achievements made in this space internationally, much of which has been pioneered by the International Federation of Horseracing Authorities (IFHA), which is the global leader for Thoroughbred racing. Firstly, I want to congratulate HISA/HIWU on their significant progress in enhancing testing standards in racing laboratories...