DOMESTIC EQUINE NUTRITION · OWNER GUIDE

Feeding horses, donkeys and mules
through forage and measurement.

Forage, body condition, minerals, metabolic risk, dental function and feeding emergencies across domestic equines.

A horse, donkey and mule with their veterinary care team
Original illustration created for Companion Health Library.

NUTRITION IS MEDICINE

A feeding plan should be complete, measurable and adjustable.

Write down every food, treat, supplement, forage, prey item and flavored medication. Review the full list with a veterinarian familiar with the species before making major changes.

Measurethe amount actually offeredTrackweight and body conditionChange slowlyunless urgent care directs otherwise

Build the diet around species biology

  • Base the plan on suitable forage and analyze hay when precision matters.
  • Provide abundant clean water and appropriate salt access.
  • Balance minerals for the forage and region without stacking fortified products.
  • Use concentrates only as needed for life stage, work, body condition or disease.
  • Donkeys and many mules may require lower-energy forage and tighter weight management than horses.

Make intake visible and repeatable

  • Estimate or weigh forage and concentrates rather than feeding by scoop size.
  • Track body condition, muscle and regional fat such as neck crest.
  • Make feed changes gradually.
  • Divide concentrate meals and avoid large starch loads.
  • Reassess after dental change, pasture transition, work change or illness.

Use the correct branch of the feeding plan

EquinePlanning emphasisWatch closely
HorseForage quality, work level, life stage and body conditionStarch load, ulcers, dental function and metabolic risk
DonkeyLower-energy forage, weight control and uninterrupted safe intakeObesity, hyperlipemia, subtle pain and dental disease
MuleIndividualized between donkey and horse tendencies; assess workloadNever assume horse portions or behavior apply

Recalculate when the animal changes

  • Growth, pregnancy, lactation and heavy work can change energy and nutrient needs substantially.
  • Senior status does not automatically mean one particular food; appetite, teeth, muscle, organs and activity guide the plan.
  • Weight loss should preserve muscle and should not be rushed.
  • Dental, gastrointestinal, urinary, endocrine, kidney, liver and mobility disorders may require a veterinary therapeutic plan.
  • Recheck the diet after a diagnosis, medication change, surgery, major weight change or prolonged appetite change.

Ask questions marketing cannot answer

  • Confirm the food is intended for the exact species and appropriate life stage.
  • Look for a nutritional-adequacy statement when packaged complete diets are used.
  • Ask who formulates the diet, what quality controls are used and whether nutrient analysis is available.
  • An ingredient list alone cannot show digestibility, balance, safety or manufacturing consistency.
  • Natural, premium, holistic and human-grade are not substitutes for nutritional adequacy or veterinary assessment.

Avoid well-intended imbalances

  • Abrupt pasture or concentrate changes
  • Moldy, dusty or contaminated feed
  • Unrestricted rich pasture in animals at metabolic or laminitis risk
  • Horse-sized grain portions for donkeys by assumption
  • Feeding immediately before or after intense work without a plan
Important: Never copy a therapeutic, homemade, raw, supplement or weight-loss plan from another animal without veterinary guidance.

Weight is only one outcome

  • Appetite, chewing, quidding and choke risk
  • Manure, water intake and colic behavior
  • Weight, topline and neck crest
  • Hoof heat, digital pulses and movement
  • Senior dental function and ability to use forage

Appetite changes can be medical emergencies

  • Choke, feed or saliva from nostrils
  • Repeated rolling, flank watching or reduced manure
  • Refusal of food—especially in donkeys at hyperlipemia risk
  • Laminitis signs or severe lameness
  • Weakness, tremors or suspected feed toxin
Important: Do not force-feed, syringe water, change insulin, give human remedies or delay emergency care unless a veterinary professional gives case-specific instructions.

Sources behind this guide

American Association of Equine PractitionersVeterinarian-reviewed horse-owner resourcesMerck Veterinary ManualVeterinary species care and nutrition reference

Source links are provided so readers can review the underlying guidance. Publication dates and recommendations can change; confirm individual plans with the treating veterinary team.

CONTINUE EXPLORING

Use these connected guides to prepare informed questions for your veterinary team.

Nutrition and Feeding GuidesFind feeding guidance appropriate to your animal’s species.Read resource →Not EatingRecognize appetite changes that should not wait.Read resource →Unexplained Weight LossUnderstand concerning changes in body weight and muscle.Read resource →Overweight and ObesityDiscuss body condition and safe weight planning.Read resource →Printable Owner ToolkitBring observations, medication details and questions to your appointment.Read resource →