Christa Lesté-Lasserre, MA

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.

Articles by: Christa Lesté-Lasserre, MA

Horses’ Grass Choices Depend on Nutritional Value

Give your horse two choices: tall grass or low grass. Which one will he choose?

That answer depends a lot on the quality and nutritional composition of the grass, according to a new study by French researchers.

Although horses select the tallest grass when the quality of turfs is equally good, their main objective appears to be efficient intake of major nutrients, espec

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Atypical Myopathy Cases Discovered in Europe

An ongoing spring outbreak of atypical myopathy has caused a reported 47 cases in Europe to date, according to an alert group led by Belgian researchers.

Reports of new cases continue to stream into the data being collected by the Atypical Myopathy Alert Group (AMAG) at the University of Liége, according to Gaby van Galen, DVM, MSc, Dipl. ECEIM, one of the group’s two p

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Isolated Yearlings Learn Better, Says French Study

When a yearling is separated for a few days from other horses for practical reasons, it’s a great opportunity to get in some good quality training with that youngster, according to a new study by French equine behavior researchers.

Yearling colts and fillies housed in individual stalls over a period of 11 days were easier to train to walk and back up on command than their coun

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Managing Severe Colic in the Field (AAEP 2011)

Colic Diagnosis Using FLASH

This diagnostic tool can help equine emergency care professionals quickly diagnose colics, leading to improved pain management and more immediate surgery when indicated, according to a Belgian study.

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FEI: Sapphire’s Disqualification for Protection, Not Punishment

The disqualification of Sapphire at the FEI World Cup Final in Geneva based on findings of hypersensitivity is not intended to punish but to protect, according to officials of the Fédération Equestre Internationale (FEI).

The 14-year-old Belgian warmblood mare, equine partner to two-time Olympic gold medalist McLain Ward (USA), is perfectly sound, has no pain, and re

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Volcanic Ash and Equine Respiratory Health

Ash and gases emitted since Wednesday’s eruption of the Eyjafjallajokull volcano in Iceland could pose breathing risks to anyone exposed, including horses, according to a European veterinarian whose work centers around equine respiratory disease.

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Foal Morphology: Here Come Those Legs!

We all know foals look like they’re “all legs,” and new research is honing in on the physical and evolutionary advantages of that lanky morphology. It’s all about keeping up with the herd, say the researchers, especially for migrations.

“The long legs of juvenile horses make them able to manage the lower speeds frequently necessary for migrating,” sai

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Researchers Reverse Temporary Immunocastration

Stallions which do not fully recover breeding capacity after temporary castration via a vaccine that works against reproductive hormone GnRH can now be assisted through daily injections of buserelin, a GnRH agonist, said European researchers.

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Posture, Behaviors Indicate Horse Well-Being

If a horse spends most of his time standing in the same position in his stall, would you say he’s just bored? And what about a mare that threatens to bite when you approach her stall–is she vicious?

The latest behavior research

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