Behavioural studies in healthy ponies subjected to short-term forced recumbency aiming at an adjunctive treatment in an acute attack of laminitis.

This piece of research investigates whether forced rest of affected limbs during an acute attack of laminitis in ponies could potentially help in its management and treatment.

Background and Hypothesis

• The authors started this research with the hypothesis that enforced rest (recumbency) could potentially improve the condition of a pony during an acute laminitis attack. Laminitis is a debilitating and occasionally lethal disease that affects the feet of horses. One of the contributing factors to laminitis is the excessive load on the secondary laminae, the delicate structures that connect the horse’s hoof wall to the underlying tissues.

Methodology

• To test this hypothesis, the researchers studied the behavior of three healthy Shetland ponies placed in a box with a low ceiling that permitted the pony to lay down but not to stand up.
• The height of the box was calculated carefully to be roughly 125% of the distance from the pony’s withers (the upper-most part of the back, located between the shoulder blades) to the sternum. This parameter was crucially selected to allow the ponies to lay comfortably but restricting them from standing, thereby effectively forcing recumbency.

Results and Observations

• Observations noted that the ponies remained calm for most of the duration they spent inside the box, and there were only sporadic attempts to get up.
• The very few attempts at rising notably did not impart a major load on the hoofs, which was a vital observation as excess hoof load contributes to laminitis development.

Potential Application and Discussion

• The results of this study opened up the conversation around the potential of utilizing short-term forced recumbency as adjunctive treatment measures during an acute attack of equine laminitis.
• This could potentially be seen as a way to manage the disease during its peak stages, albeit further and more extensive research would be needed before such methodologies are widely accepted and implemented.