Study: In Horse Breeding, Equine Opposites Attract

A mare’s attraction to a stallion—specifically, to his body odors, or “MHC”—affects pregnancy success rates. And, researchers found, mares appear to prefer stallions with MHCs that differ from their own.
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horse breeding
The results of a new study suggest a mare’s attraction to a stallion—specifically, to his body odors—affects pregnancy success rate. | Photo: iStock

Who run the horse breeding world?

Mares … at least in some ways.

The results of a new study suggest a mare’s attraction to a stallion—specifically, to his body odors—affects pregnancy success rate

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Passionate about horses and science from the time she was riding her first Shetland Pony in Texas, Christa Lesté-Lasserre writes about scientific research that contributes to a better understanding of all equids. After undergrad studies in science, journalism, and literature, she received a master’s degree in creative writing. Now based in France, she aims to present the most fascinating aspect of equine science: the story it creates. Follow Lesté-Lasserre on Twitter @christalestelas.

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