Senior horse health glossary and equine term definitions

Senior Horse Health Glossary

Plain-English definitions of the equine health terms behind your senior horse's diagnoses and feed labels: PPID (Cushing's), EMS, NSC, Henneke body condition score, and laminitis.

PPID in Horses (Equine Cushing's) Explained

PPID is the most common hormonal disease of older horses. Learn what pars intermedia dysfunction is, how ACTH testing works, and why it links to laminitis.

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Equine Metabolic Syndrome (EMS) Explained

EMS is a metabolic disorder centered on insulin dysregulation and regional fat. See how it differs from PPID and why it raises laminitis risk.

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NSC in Horse Feed: What It Means

NSC stands for non-structural carbohydrates, the sugar and starch in feed and hay. Learn the under 10 to 12 percent target for PPID and EMS horses.

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Henneke Body Condition Score Explained

The Henneke scale rates a horse's fat from 1 to 9. Learn how to assess the six key areas and why a score of 4 to 6 is the healthy target.

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Laminitis and Founder in Horses Explained

Laminitis is painful inflammation of the laminae inside the hoof. Learn the causes, warning signs, and why it is always treated as an emergency.

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EOTRH in Horses Explained

EOTRH is a painful resorptive disease of the incisors in older horses. Learn the signs, how it is diagnosed with radiographs, and why extraction brings relief.

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Quidding in Horses Explained

Quidding is when a horse drops balls of half-chewed hay because chewing hurts. Learn what causes it, why it signals dental trouble, and how to feed a quidder.

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Choke in Horses Explained

Choke in horses is an esophageal blockage, not an airway one. Learn the signs, why it is a veterinary emergency, and how to prevent it in senior horses.

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Types of Colic in Horses Explained

Colic is abdominal pain, not one disease. Learn the main types, from gas and impaction to strangulating lipoma colic, and which most affect senior horses.

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Founder in Horses Explained

Founder is the chronic stage of laminitis where the coffin bone rotates or sinks inside the hoof. Learn the causes, what rotation means, and how seniors are managed.

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Navicular Syndrome Explained

Navicular syndrome is chronic heel pain in the back of the front feet. Learn the signs, the role of hoof balance, and how it is diagnosed and managed.

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Ringbone in Horses Explained

Ringbone is osteoarthritis of the pastern or coffin joint with new bony growth. Learn high versus low ringbone, the signs, and how it is managed in seniors.

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Cribbing and Windsucking Explained

Cribbing is a stereotypic behavior where a horse grips a surface and gulps air. Learn how it differs from windsucking, why horses do it, and how to manage it.

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Anhidrosis in Horses Explained

Anhidrosis is the loss of a horse's ability to sweat, a serious problem in hot, humid climates. Learn the signs, why it is dangerous, and how to keep non-sweaters cool.

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Hard Keeper Explained

A hard keeper is a horse that struggles to hold weight even on a generous diet. Learn the causes, why senior horses are prone, and how to safely add condition.

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Senior Cat Wellness & Care Planner

10 printable worksheets to track your aging cat's health, meds, vet visits, mobility, nutrition, and quality of life.

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