Christa Lesté-Lasserre

Christa Lesté-Lasserre is a freelance writer based in Paris, France.

Articles by Christa Lesté-Lasserre

TheHorse.com en Español: Revisión a Enfermedad Equina de los Pastos

Spanish translation of an article reviewing equine grass sickness (enfermedad equina de los pastos). Read More

Horse Stereotypies Vary by Discipline, Researchers Say

Some horses crib, some weave, some chew wood. Some have many in-stall habits, while others have practically none. But these equine stereotypies are not as random as they might seem. According to recent findings from an equine behavior research Read More

Racehorse Training Injuries Vary by Stable in New Study

Which kind of injury is most common to a racehorse? That all depends on who trains it and at which track, according to a group of British researchers. Their recent survey of three major Thoroughbred stables in the United Kingdom showed that the Read More

Fetal Heart Rate Measurements Aid Health Monitoring

Fetal heart rate monitoring during the second half of pregnancy can help veterinarians easily and reliably assess the health of the unborn foal, according to new research by German and Austrian veterinary scientists. However, it's unlikely to give Read More

Teaching Old Ponies New Tricks: Positive Reinforcement Effective

What's best for teaching an old pony new tricks: The carrot or the whip? Equine behavior research says carrot. Read More

Training: Positive Reinforcement Improves Horse Memory

The research team that demonstrated yearlings perform much better if their training included feed rewards as positive reinforcement is now back to let us know that positive reinforcement gets engrained in young horses' minds for the long ha Read More

The 'Skinny' on Skin Conditions

Diagnosing skin diseases is probably one of the greatest challenges to horse handlers and veterinarians alike. Thankfully, veterinary researchers are continually learning more about equine skin diseases and treatment. Read More

Pregnant Mare Exercise: No Negative Effect on Fetuses in Study

Some of us tend to think we should keep a broodmare's physical efforts down to a minimum. But new research shows the heart rates of 9-month-old fetuses remained unchanged during and after maternal exercise. Read More

German Competition Horse Medication Policies Revised

Getting away with doping in equestrian events is about to become even harder for equestrians practicing in a country recognized worldwide for its horsemanship.

The German Equestrian Sports Federation (FN) has announced new regulation Read More

Freeze Stops European Atypical Myopathy Reports

The largest outbreak of equine atypical myopathy in Europe has ended with freezing winter temperatures, with a record number of 371 reported cases, according to a group of researchers in Belgium.

Read More

Listen Up: Horses Demonstrate Auditory Laterality

A neighborly neigh is processed in a different way than other whinnies, meaning that horses have brain side preferences for sounds, according to a new study by French researchers.

The phenomenon, known as & Read More

Equine Grass Sickness Reviewed

A fatal gastrointestinal disease once limited to Scotland is being seen more frequently in certain parts of the world due to geographical progression, said British researchers. Frequently occurring throughout Great Britain, equine gr Read More

Rider Position, Horse Back Movement Evaluated

A rising trot is less loading to a horse's back than a sitting trot, producing less vertical force as measured through new biomechanical techniques, according to Dutch researchers. From the kinematic data of 13 riders on two horses, scientists were Read More

Norwegian Rider Disqualified from Beijing Olympics

Norwegian equestrian Tony Andre Hansen and his 2008 Olympic mount, Camiro, have been definitively disqualified from the Beijing Olympics for a medication offense. The disqualification followed an appeals commission decision handed down Dec. 4.< Read More

Horses Demonstrate Ability to Count in New Study

It's no circus trick: researchers have shown that horses can count, despite 100 years of belief to the contrary. By dropping apples one by one into two buckets, researchers determined that horses almost always chose the bucket with more apples Read More

Horse Genome Publication Key to Enhanced Research, Understanding

Where does an Appaloosa get its spots? What makes one horse more naturally suited for Western pleasure than dressage? Why do some horses get laminitis, and others don't? The short answer we all know is, "It's in the Read More

Study: Topical Allergy Cream Can Produce Systemic Effects in Horses

Glucocorticoid cream applied at normal doses onto healthy equine skin will be quickly absorbed into the body"s system and can generate adverse systemic effects, said German researchers in a new study report. As a result, it can also Read More

Transport Precautions Reduce Risks to Traveling Horses

Horses being transported appear at increased risk of disease or distress when specific needs are not met. Read More

Mares' Social Bonds Might Enhance Reproductive Success

Mares that form close social bonds with other mares have improved pregnancy, foal birth, and foal survival rates, said a group of researchers studying wild herds in the North Island of New Zealand. The mares' enhanced reproductive Read More

Study: Horse Whinnies Packed with Information

Through their whinnies, horses convey specific information about their identities, including sex, height, and weight, according to French researchers. Acoustic analyses of whinnies and the reactions of horses to various recorded whinnies also Read More

West Nile Virus Returns to Italy

West Nile virus (WNV) has re-emerged in Italy, resulting in 28 equine clinical cases, including seven deaths as of last week, according to an epidemiological bulletin produced by the Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molis Read More

Heparin Might Prevent Laminitis after Colic Surgery

Low molecular weight heparin (LMWH) is proving highly effective in preventing laminitis and reducing the severity of laminitis following colic surgery, according to Belgian researchers.

Prior to the study period, more than 10% of colic Read More

Equine Heat Tolerance Parameters Examined in Study

Brazilian researchers are working towards understanding heat tolerance in horses. Read More

Paralyzed Foal Recovering after Surgery, Therapy

A once-paralyzed foal is now up and running about with the help of an equine "walker" following a groundbreaking surgery to remove a cyst from the spinal cord, according to the treating veterinarians in Belgium.

The Boulonnais draft horse Read More

Horses Read Human Body Cues, Researchers Say

Do you ever feel like your horse might be watching your every move? He very well might be, according to a new behavior study by British scientists. Their research indicates that horses are highly sensitive to the attention we attribute to them, Read More