Nassalam will miss the possibility to defend his crown on the 2024 Welsh Grand Nationwide at Chepstow Racecourse.
The seven-year-old, skilled by father and son duo Gary and Josh Moore, cruised to a 34-length win in last year’s race.
Coach Josh Moore instructed At The Races: “He is missed some key bits of work from home, he simply wants a little bit of time and this has come too quickly.”
Eight-year-old Monbeg Genius is the present bookmakers’ favorite for this yr’s race, which is scheduled for Friday, 27 December.