Laminitis can be the end product or a by-product of a variety of infections. The severity of occurrence can also vary with circumstances.
When a mare foals, make very sure that the placenta is fully removed post birth. An incompletely ejected placenta can stimulate internal acid reactions and the activation of endotoxins that could kick off bouts of laminitis.
Laminitis can be the result of putting a horse through sustained strenuous work on terrain that is too harsh, especially if the horse is totally unused to such terrain.
Hormonal effects are also major causes of laminitis, though the exact working of these factors has not been fully understood yet. What is known is “broodmares” seem to have a strong tendency towards retarding symptoms that accompany the initial onset of laminitis, while mares in regular cycle show symptoms in a more pronounced manner.
Viral reaction factors can arise because of abnormally high body temperatures which then lead to onset of laminitis. In such cases, symptoms of laminitis seem to manifest themselves about two or three weeks after the viral condition prevailed. This kind of situation leaves ridges, also known as “fever rings”, on the walls of the hoof. Fever rings are a kind of easily readable tale that can give the observer a reasonable idea of the history of basic health of the horse.
Horses that have received cortisone in high amounts, or in small amounts but over extended periods of time, are very susceptible to laminitis.