Boite secured his place in the record books as he became the first horse to win since the publication of certain wind surgeries became mandatory.
New British Horseracing Authority regulations came into force on Friday meaning that trainers must declare if a horse had undergone any of five specified procedures since its last run.
Four horses with such a declaration ran on Friday, but Boite's victory in the Bathwick Tyres Seniors' Handicap Hurdle at Taunton marked the first occasion any such competitor had won.
Winning trainer Warren Greatrex said: "He has had a wind op before and he had the same operation a year or so ago. He ran at Wincanton (last time) and Gavin (Sheehan) said he was struggling, so we got it done and that was his first run back. I'm very happy.
"It is one of those things, sometimes they work, sometimes they don't. It is a hard one, but obviously it has worked for him. I am chuffed to bits as it doesn't always work out. He has been a really good horse for us and has been very consistent all the way through."
The BHA's decision on publishing the information was not universally welcomed, but Greatrex is unperturbed by the change in rules.
He added: "It doesn't bother me that they are publicised at all. It doesn't make my job any harder. If people want it there, I am not bothered as I like to think I am as transparent as I can be.
"It doesn't have an affect with the horses all of the time. It's not black and white like some people think."
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