Does Light Influence Your Horse’s Health?

Key Takeaways

• Equilume Performance Lighting mimics the benefits of natural daylight to regulate a horse’s circadian rhythm, helping improve fertility, behavior, performance, and overall health–especially for horses that spend long hours indoors.
• Blue-enriched light targets specific receptors in the eye that strengthen circadian rhythms, allowing horses to better utilize their nutrition, training, and daily management. 
• Benefits span every class of horse: mares experience improved reproductive cycles and stronger foals, stallions see increased fertility and libido, and performance horses show better behavior, recovery, coat condition, muscle development, and immunity.
• Equilume’s product range includes wearable Light Masks (Belfield, Curragh, Pro) and automated Stable Lights that provide blue-enriched light by day and restful red light at night, mimicking natural sunrise and sunset.
• These science-backed lighting systems offer flexible, year-round solutions for breeding farms and training barns looking to support horses from the inside out.

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Many horses spend long hours indoors, exposed to lighting that doesn’t support how their bodies are meant to function. When internal rhythms fall out of balance, fertility, behavior, and performance can all be affected. The solution may be as simple, and as powerful, as better light.

Equilume Performance Lighting replicates the benefits of natural daylight to regulate a horse’s internal rhythms, helping the body function in harmony with the environment. By providing the advantages of natural sunlight, Equilume supports overall health and well-being and helps horses reach their full potential.

Why Blue Light?

Not all blue light has the same effect on the body. Specialized receptors in the eye absorb blue-enriched light, which helps regulate strong circadian rhythms, the internal 24-hour cycles that influence physical and behavioral functions. Strong circadian rhythms support fertility, performance, and overall well-being.

Correct lighting helps maintain these internal rhythms. Circadian rhythms respond naturally to light and dark cycles, influencing nearly every cell in the body in both horses and humans. With proper lighting, horses can make the most of their nutrition, training, and daily management. Proper light exposure promotes health from the inside out.

Equilume Benefits

For Barren and Maiden Mares

• • Stimulates early reproductive activity
  • Increases fertility 
  • Regulates estrous cycles
  • Effective alternative to stabling under lights
  • Supports outdoor living and reduces lighting-related costs

For Pregnant Mares and Foals

• • Optimizes gestation length
  • Improves fetal maturation
  • Improves post-foaling fertility
  • Produces stronger foals at birth
  • Supports milk production and colostrum quality

For Stallions

• • Higher testosterone levels throughout the season
  • Increases fertility and libido
  • Increases total sperm numbers
  • Improves first-service conception rates
  • Supports overall health and well-being
  • Enhances condition and muscle development

For Performance Horses

• • Improves behavior and trainability
  • Supports better mood and reduced stress
  • Extends peak performance and exercise response
  • Enhances coat condition
  • Supports muscle development and topline
  • Improves appetite and fat utilization
  • Stimulates immunity and healing, supporting overall health

Product Range

Light Masks

This multi-award-winning headpiece delivers biologically effective blue light to one eye of the horse. It can be worn in the stall, during travel, or at pasture, providing the benefits of natural daylight wherever the horse goes and offering flexible management options.

Belfield

• • • Use: Single season
    • Lifespan: 5 months
    • Blue Light: 7 hours
    • Program: 4 p.m. - 11 p.m.

Curragh

• • • Use: Multi-season (with replaceable Curragh Cup)
    • Lifespan: 4 months
    • Blue Light: 7 hours
    • Program: 4 p.m. - 11 p.m.
    • Pony size available

Pro

• • • Use: Rechargeable (weekly)
    • Lifespan: 12 months
    • Blue Light: 15 hours
    • Program: 8 a.m. - 11 p.m.
    • Includes wireless charger

Stable Light

Replicates the benefits of nature’s light-cycle for stabled horses. 

• • Fully automated lighting system
  • Provides blue-enriched white light during the day and restful red light at night
  • Gradual sunrise and sunset transitions mimic natural dawn and dusk
  • Supports fertility, performance, and overall well-being
  • Controlled through the Equilume Stable Light App

From breeding farms to performance barns, Equilume offers science-backed lighting solutions designed to support every horse, in every season.

Questions? Visit equilume.com to learn more.

Whether for horse, livestock or pet, Valley Vet Supply is your one-stop shop for trusted care. Explore more of our Equilume products at ValleyVet.com.