Deworming protocol has changed over the years so make sure that you have the most up to date information. This will not only keep your horse healthy but may also impact your show schedule. Take this great advice from Dr Richard Wheeler the USET Vet. on how to properly deworm competition horses in accordance to the FEI and USDF regulations.
This video was filmed at the Robert Dover Horsemastership program in Wellington, Florida in 2016.