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Study Reveals Speed Gene Shift in Thoroughbred Breeding

1/30/2025

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Summary

Story summary

A groundbreaking genetic study of North American Thoroughbreds reveals that, despite a slight uptick in inbreeding, health and durability remain largely unaffected. Analyzing 185 horses, the research aims to help breeders enhance genetic diversity and performance. Interestingly, a 10% increase in a "speed gene" variant highlights shifting breeding trends toward speed.

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Story summary

A groundbreaking genetic study of North American Thoroughbreds reveals that, despite a slight uptick in inbreeding, health and durability remain largely unaffected. Analyzing 185 horses, the research aims to help breeders enhance genetic diversity and performance. Interestingly, a 10% increase in a "speed gene" variant highlights shifting breeding trends toward speed.