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The sire is the male parent of a horse, or the stallion. The genetic makeup of a racehorse can be very important in the betting world as knowing who the sire and who the mare (the female parent) are can help with predicting how a particular racehorse will perform.
Many bettors will pay close attention to the different bloodlines, as it is a good indicator of future success.
There is actually a title awarded for the leading sire of racehorses in Great Britain and Ireland. The champion is the stallion whose offspring has won the most prize money in the flat racing season. Although this is not typically an available betting market the information can be vital for bettors.
By knowing who the sire – and the dam – of a racehorse it is possible to have a better idea of how they will run on particular courses and in different conditions. When the sire is known, bettors can also look to how some of the related horses have done in the same races and make their selections accordingly. This information is of particular use when it comes to novice horses, as there is no previous indication of how successful they have raced.
Although nothing can be completely determined, it is these little details that can make all the difference when it comes to winning or losing horse racing bets.
The current champion sire is Galileo who won his ninth title – and eighth in a row – when his progeny won £15m in prize money during the 2017 flat racing season. Galileo is an offspring of another champion sire, Sadler’s Wells, who won the title on 14 occasions.