Equine Disposal Options: What to Do When Your Horse Passes Away

Saying goodbye to a beloved horse is one of the most difficult experiences a horse owner can face. Whether due to age, illness, or injury, making end-of-life decisions is never easy. However, planning ahead for your horse’s final arrangements can help ease the burden during an already emotional time. Understanding the available options for equine disposal ensures that you can make the best choice for your situation while respecting your horse’s dignity.

Before deciding on a disposal method, there are a few things to consider. The first is your local laws and regulations. Some states and counties have strict guidelines on equine disposal, including burial restrictions and environmental concerns.

Cost, as always, should be taken into consideration. Prices for different options can vary greatly depending on location and service providers.

Accessibility is another thing to think about. If special equipment or transportation is required, it is critical to consider where your horse may be for their final moments.

Personal beliefs and preferences—religious, ethical, or emotional considerations may influence your decision.

Common Equine Disposal Options

Burial

Burial is a common choice for horse owners who have the land and legal permission to do so. Before burying your horse:

Check local regulations, as some areas require burial permits or prohibit burial altogether.
Ensure you meet minimum distances from residences and property lines.
Ensure the burial site meets minimum distance requirements from water sources to prevent contamination.
Dig a grave deep enough (the minimum is typically 6–8 feet) to prevent scavenging by wildlife.
Heavy machinery may be necessary to dig the grave due to the size of a horse.

Be sure to contact your city or town’s Board of Health department or local authorities to ensure you are complying with environmental safety laws, public health, and legal regulations for your area.

Rendering

Rendering is an environmentally friendly option where the horse’s body is processed for byproducts such as fertilizer, pet food, or biofuel. This option:

Is often the most cost-effective.
May be available through agricultural or livestock disposal services.
Requires transportation to a rendering facility, though some services offer pickup.
Only about half of U.S. states have rendering plants, mostly in the Midwest.
Cost ranges from $75 to $200.

Cremation

Cremation is a respectful option that allows owners to keep their horse’s ashes if desired. There are two types:

Communal cremation—The horse is cremated with others, and ashes are not returned.
Private cremation—The horse is cremated individually, and the ashes are returned to the owner. This can be expensive, but it is a preferred choice for those who want a lasting memorial.
Costs range from $600 to $2,000 depending on the location and which cremation method is chosen.

Landfills

Some municipal landfills accept large animal remains. This option:

Is regulated by local waste management authorities.
May not be able to accommodate chemically euthanized horses due to environmental hazards.
Often requires transportation to the landfill.
Can be an affordable alternative where burial isn’t feasible.
Costs range from $80 to $150 depending on the facility and location.

Composting

Composting is an environmentally friendly option that allows the horse’s body to break down naturally over time.

Composting, a controlled, sanitary decomposition of organic materials by bacteria, has recently gained popularity. It is performed in covered trenches or piles that must be located away from runoff and drinking water supplies to avoid contamination. The combination of vegetative material and moisture results in temperatures reaching at least 130°F, which, over the course of time, kills most pathogenic viruses and bacteria. It takes approximately 9 to 10 months to compost an intact horse carcass, and the end product is a spongy, odorless substance that can be used for soil supplementation. Livestock composting is legal in every state except California, but even in states where the practice is permitted, it can be limited by carcass weight. Information on composting and its availability in your area may be obtained from your respective state’s Department of Agriculture.

Proper composting:

Requires a large, well-managed composting site.
Can take several months to fully decompose.
It is sometimes used by farms, universities, or organizations with expertise in livestock composting.
Contact your state’s Department of Agriculture or local environmental agency for specific guidelines and regulations.

For more information on how to best compost an animal, check out Cornell University’s article on Mortality Composting (https://cwmi.css.cornell.edu/mortality.htm)

Donations for Research or Wildlife Conservation

Some veterinary schools, research institutions, and wildlife programs accept equine donations:

Veterinary schools may use the body for educational purposes, helping students learn about equine anatomy and care.
Research facilities often use equine bodies to study various diseases and physical changes in equines, leading to positive changes in our industry.
Wildlife conservation programs and zoos may use the remains to feed rescued predators in sanctuaries or rehabilitation programs.

Biodigesters

Biodigesters utilize alkaline hydrolysis to break down carcasses into a sterile aqueous solution, offering a rapid and environmentally safe disposal method.

First developed in 1992, the biodigester is a machine similar to a pressure cooker. Using alkaline hydrolysis, biodigesters rapidly kill any potentially harmful wastes in the carcass. The machine can turn a 1,000-pound horse carcass into an aqueous solution of peptides, amino acids, sugars, soaps, and powdered bone, all free of harmful pathogens. The remains are, in fact, sterile, and pose no environmental hazards and can therefore be disposed of at a local landfill or be used as fertilizer. This method is becoming a popular method of carcass disposal with veterinary colleges and industrial research facilities. The veterinary colleges at the University of Florida, Texas A&M University, Colorado State University, and the University of Minnesota are just some schools that own and use biodigesters. The US Department of Agriculture also owns a machine. While the initial purchase price is costly, the operating costs offer significant savings over time and are more environmentally friendly than using commercial incinerators. For example, the Wisconsin Veterinary Diagnostic Laboratory purchased a biodigester for $900,000 but estimates that they can dispose of a carcass for $0.25 per pound, as opposed to $0.75 per pound using an incinerator.

Used by veterinary colleges and research facilities.
Access to biodigester services may be limited for individual horse owners due to the specialized equipment required and associated costs.
Owners interested in this option should contact local veterinary schools or research institutions to inquire about availability and potential fees.

Navigating Legal Regulations

Regulations governing animal carcass disposal are primarily established at the state level and can vary significantly. Common legal requirements include:

Timely Disposal: Many states mandate that carcasses be disposed of within a specific timeframe, typically ranging from 24 to 72 hours after death.
Proximity Restrictions: Regulations often specify minimum distances from water sources, residences, and property lines to prevent environmental contamination and public health risks. https://www.humaneworld.org/en/resources/humane-horse-remains-disposal
Method Restrictions: Certain disposal methods may be prohibited or restricted based on environmental considerations, disease control measures, or local ordinances. APHIS

To ensure compliance, horse owners should consult the following resources:

State Departments of Agriculture: These agencies provide guidelines and regulations specific to animal carcass disposal within the state.
Environmental Protection Agencies: State or regional environmental agencies offer information on environmentally safe disposal practices and any necessary permits.
Local Extension Offices: University extension programs often provide resources and guidance on livestock management, including carcass disposal options.

Other Considerations:

Plan ahead: It is important for all horse owners to think about and plan for the day their horse’s life comes to an end. It is not something fun to think about, but death is inevitably part of life and dealing with it cannot be avoided. Enlisting the help of your vet and barn manager and a relative, close friend, or neighbor, come up with a plan in the event your horse becomes ill or debilitated, or an emergency arises. Write it down and make sure it is easily accessible if you are unavailable should anything occur. Planning ahead may spare your horse needless suffering. It will also help you make sound decisions during what will be a very difficult time.

Insurance: If your horse is insured, be sure that you know your policy’s requirements regarding euthanasia. For an insurance claim to be valid, companies often require prior notification and permission (except in extreme cases). Most insurance providers require that they be kept informed from the start of a horse’s medical condition, especially if euthanasia is a potential outcome of the illness. In case of an emergency, it is up to the policy holder to notify the insurance provider. Some policies even require a second opinion before a horse is euthanized, but it is always up to the owner and veterinarian to decide what is best for the horse.

Additional Resources