Episodic Falling is caused by a genetic mutation that affects normal communication within the nervous system. Unlike seizure disorders, EF does not involve abnormal electrical activity in the brain. Instead, the condition interferes with the regulation of muscle tone and movement, causing muscles to become excessively rigid during periods of excitement or exertion. The severity and frequency of episodes can vary considerably between individual dogs.
Clinical signs of EF often first appear during puppyhood or early adulthood. Episodes are commonly triggered by exercise, excitement, stress, play, or emotional stimulation. During an episode, affected dogs may develop a stiff, high-stepping gait, muscle rigidity, arched posture, extended limbs, or difficulty bending their joints. In more severe cases, dogs may fall over or become temporarily unable to walk normally. Episodes can last from a few seconds to several minutes and generally resolve on their own once the triggering activity stops. Between episodes, affected dogs usually appear completely normal and healthy.
Because the symptoms can resemble other neurological or orthopedic conditions, genetic testing provides a reliable method for confirming whether a dog carries the mutation associated with Episodic Falling.
The EF DNA Health Test is designed to identify the specific genetic mutation responsible for this disorder. Testing is simple, safe, and non-invasive, typically requiring a cheek swab or blood sample. The collected sample is analyzed in a specialized laboratory to determine the dog's genetic status. Since DNA remains unchanged throughout life, testing can be performed at any age, including in puppies before symptoms develop.
Results are generally reported in one of three categories:
- Clear (Normal): The dog does not carry the EF mutation and cannot pass it to offspring.
- Carrier: The dog carries one copy of the mutation but is typically unaffected by the disorder. However, it can pass the mutation to future generations.
- Affected/At Risk: The dog carries two copies of the mutation and has a significantly increased likelihood of developing Episodic Falling episodes.
Genetic testing for EF provides valuable information for breeders, veterinarians, and dog owners. Breeders can use test results to make informed breeding decisions that help reduce the prevalence of the disorder while maintaining healthy genetic diversity within the breed population. Avoiding the breeding of two carrier dogs significantly reduces the risk of producing affected puppies.
For dog owners, understanding a dog's genetic status allows for proactive management of triggers that may provoke episodes. Affected dogs often benefit from avoiding excessive excitement or strenuous activity and may require veterinary guidance for long-term management. While there is currently no cure for the underlying genetic cause of Episodic Falling, many affected dogs can live happy, active lives with appropriate care and lifestyle adjustments.
The Episodic Falling (EF) Health Test is a reliable genetic screening tool that supports responsible breeding practices, promotes canine neurological and neuromuscular health, and helps reduce the impact of this inherited disorder in future generations. Through early detection and informed breeding decisions, breeders and owners can contribute to healthier dogs and improved long-term welfare.