Sire ratings are very important when you’re handicapping the horse races because they’ll give you an idea of how a horse will handle a new situation. For instance, a good grass sire throws foals that become good grass runners. If you see a young horse trying the turf for the first time and it has an A rated turf sire you know that it will probably run as good a race as can be expected. But how good is that? Do you also have to take into consideration other factors? Certainly.
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