Thoroughbred pedigree insights

Find the right sire for your mare

WhichSire helps studmasters showcase their stallions and gives mare owners a clearer way to explore potential matings through linebreeding.

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For Studmasters

List your stallions and connect with mare owners looking for suitable matings.

For Mare Owners

Compare stallions, review pedigrees and explore potential matches for your mare.

WhichSire is currently under development

Features and information are being added progressively. Your feedback is welcome.

Mare owners

Review pedigree patterns and use the power of linebreeding to help select the right stallion for your mare.

Start with a free account and make it easier for breeders to discover your stud and bloodlines.