FEED ADVICE – HEALTH
Essential Guide to Laminitis in Horses
Contrary to popular belief, laminitis can occur all year-round, not just in the spring. Laminitis is an emergency condition that requires prompt action whenever it is suspected. It is an inflammatory condition of the laminae within the horse’s feet. The laminae are the tissues that attach the pedal bone to the hoof wall inside the hoof capsule. Many people mistakenly believe that laminitis only affects overweight ponies, but horses of all types, ages, and sizes can develop laminitis for various reasons.
Key Highlights
Laminitis is a serious and often painful condition caused by inflammation and damage to the sensitive laminae in the hoof.
It can affect any horse, not just overweight ponies, with early signs including short strides, reluctance to walk on hard ground, and shifting weight.
Common causes include metabolic issues, endotoxemia, and excessive intake of rich grass.
Diagnosis and treatment involve veterinary assessment, possible x-rays, immediate symptom relief, and long-term management through diet and hoof care.
Understanding Laminitis
The horse’s hoof is a complex and highly specialized structure that plays a vital role in the horse’s overall health and performance. It is made up of several components, including the hoof wall, the sole of the hoof, and the coffin bone.
The hoof wall is the hard outer covering of the hoof that provides protection and support. It is made of keratinized cells and forms a protective barrier against external forces and infections. The hoof wall grows continuously from the coronet band at the top of the hoof downward.
The sole of the hoof is the concave area between the hoof wall and the frog. It acts as a shock absorber during locomotion and helps distribute weight evenly across the foot. The sole is also responsible for protecting the sensitive structures inside the hoof, including the coffin bone.
The coffin bone, also known as the distal phalanx or pedal bone, is a triangular bone located within the hoof. It is attached to the hoof wall by the laminae and provides support and structure to the foot. The coffin bone is surrounded by soft tissues, including the laminae, which help to suspend and stabilize the bone within the hoof capsule.
The proper functioning and health of the hoof are essential for a horse’s overall soundness and well-being. Any disruption or damage to the structures within the hoof, such as inflammation of the laminae in laminitis, can have severe consequences and lead to pain, lameness, and even permanent damage.
During an active case of laminitis, the inflammation of the laminae disrupts the normal blood flow to the hoof, leading to further damage and deterioration of the structures inside the hoof. This disruption in blood flow can cause the laminae to weaken and separate, resulting in the rotation or sinking of the pedal bone. The separation and displacement of the pedal bone can cause extreme pain and lameness for the horse.
Laminitis can occur in all four feet, but it is most commonly seen in the front feet. The severity of laminitis can range from mild discomfort to severe lameness. In severe cases, the horse may be unable to bear weight on its hooves and may need to lie down to relieve the pain.
Defining Laminitis: Causes and Trigger Factors
Laminitis can be caused by various factors, and understanding these causes is crucial for prevention and management.
It is important to identify and address the underlying causes and trigger factors of laminitis to prevent its occurrence and manage the condition effectively. Proper management strategies, including dietary adjustments, regular exercise, and veterinary care, can help reduce the risk of laminitis in horses.
Some common causes and trigger factors of laminitis include:
Identifying Early Signs of Laminitis in Horses
Early identification of laminitis is crucial for prompt intervention and treatment. The earlier the condition is recognised, the better the chances of a positive outcome for the horse. Some early signs of laminitis to watch out for include:
Laminitis Progession
The Role of the Pedal Bone in Laminitis Progression
The pedal bone, also known as the distal phalanx, plays a central role in the development and progression of laminitis. In severe cases, inflammation of the sensitive laminae can lead to the rotation or sinking of the pedal bone within the hoof capsule.
Under normal conditions, the pedal bone is suspended within the hoof and securely anchored by the laminae — a complex network of interlocking tissues. However, when these structures become weakened or inflamed due to laminitis, they can no longer provide adequate support. This may allow the pedal bone to rotate or shift downwards, and in extreme cases, it can even penetrate the sole of the hoof.
The movement and misalignment of the pedal bone are extremely painful, often resulting in significant lameness and the risk of further complications such as founder. Prompt, effective management is essential to limit damage to the laminae and stabilise the position of the pedal bone, supporting both treatment and recovery.
Progression to Founder
If laminitis advances unchecked, it can lead to a serious and often devastating condition known as founder. Founder refers to the mechanical failure of the hoof’s internal support system, resulting in the displacement and rotation of the pedal bone away from the hoof wall.
In these cases, the pedal bone rotates and sinks within the hoof capsule, causing intense pain, marked lameness, and long-term structural changes to the foot. This misalignment damages the hoof architecture and leads to further deterioration of the laminae.
Affected horses typically show severe, sometimes non-weight-bearing lameness. In advanced cases, the pain and structural damage may be so severe that euthanasia becomes the most humane outcome.
Early recognition and intervention are critical to prevent laminitis from progressing to founder. With timely and appropriate care, it is possible to minimise long-term damage and improve the horse’s prospects for recovery and quality of life.
Diagnostic Approaches for Laminitis
Accurate diagnosis of laminitis is essential for appropriate treatment and management. There are various diagnostic approaches that veterinarians use to evaluate and diagnose laminitis in horses.
These approaches include:
Clinical examination and history taking: The veterinarian will perform a thorough examination of the horse, looking for signs of lameness, changes in behavior, and physical symptoms. They will also gather information about the horse’s medical history, diet, and management.
Imaging techniques: X-rays are commonly used to assess the condition of the hooves, determine the position of the pedal bone, and identify any structural changes or damage. These imaging techniques can provide valuable information for diagnosis and treatment planning.
By utilizing these diagnostic approaches, veterinarians can accurately diagnose laminitis, determine the severity of the condition, and develop an appropriate treatment and management plan for the affected horse.
Effective Management and Treatment Strategies
Effective management and treatment strategies are crucial for ensuring the best possible outcome for horses with laminitis. Prompt intervention and ongoing care are essential in minimizing pain, reducing inflammation, and promoting healing and recovery. Some key approaches to managing and treating laminitis include:
Immediate care measures to alleviate symptoms, such as box rest and deep bedding.
Providing pain relief and anti-inflammatory medications as prescribed by a veterinarian.
Regular farrier care, including trimming and shoeing techniques tailored to support the affected hooves.
Long-term management plans to promote recovery and rehabilitation, including weight loss, regular exercise, and appropriate diet adjustments.
By implementing these strategies, horse owners and veterinarians can work together to manage laminitis effectively and improve the horse’s quality of life.
Dietary Management: What to Feed and What to Avoid
Dietary management plays a crucial role in preventing and managing laminitis. Careful attention to the horse’s diet can help reduce the risk of laminitis and support overall health. Some key considerations for dietary management include:
Low sugar and starch diet: Restricting dietary intake of non-structural carbohydrates, including sugars and starches, helps minimize glycaemic fluctuations, mitigating insulin resistance, and reducing the risk of laminitic episodes in susceptible individuals.
Balanced Forage: Providing high-quality forage sources, such as mature grass hay or low-NSC hay alternatives, ensures a consistent source of fibre, essential nutrients, and energy without predisposing horses to metabolic disturbances
Soaking hay: soaking hay nets prior to feeding will help remove the sugar and starch prior to feeding it to the horse. It is recommended to use as much water as possible when soaking hay to maximise the removal of sugar. Hay should be soaked for a minimum of 2 hours prior to feeding
Supplements: supplementation with omega-3 fatty acids, antioxidants, and hoof-supportive nutrients, such as biotin, methionine, and zinc, may promote hoof strength, integrity, and resilience in laminitic horses.
Field Management: Strategic pasture management practices, including rotational grazing, strip grazing, or utilising grazing muzzles, help regulate carbohydrate intake, limit access to lush pasture, and minimise the risk of grass-associated laminitis.
Conclusion
Understanding and addressing laminitis in horses are crucial for their well-being. Early detection, proper management, and preventive measures play key roles in safeguarding horses from this painful condition. By familiarizing yourself with the signs, diagnostic approaches, and effective treatment strategies outlined in this guide, you can effectively care for horses susceptible to laminitis. Regular monitoring, appropriate dietary adjustments, and attentive hoof care are essential components of a comprehensive approach to managing laminitis.
What we recommend for laminitic horses
Made in the UK
We are proud to say that all of our feeds are produced here in the UK
FREE Shipping
We offer FREE SHIPPING for all orders in the UK with 15 bags and over*
Sustainable
We are dedicated to playing our part in making the world more sustainable
100% Natural
We use high-quality ingredients and no unnecessary additives.
Thousands of people love our feeds
What people say about Pure Feed
