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Remember: laminitis can be triggered in the winter conditions too

Remember: laminitis can be triggered in the winter conditions too

Veterinarians will tell you that although they see an increased incidence of laminitis when the spring and early summer grass shoots up, they also see cases at other times of the year including in the winter. The production of rich spring grass is but just one trigger of this condition.  There are other triggers and the winter can also be problematic...

High protein content is not necessarily the causative factor of laminitis.  It has become evident that a nutrient group called soluble complex carbohydrates are key to the condition. These nutrients cause changes in the balance of the digestive bacteria of the hind gut.  Subsequently, large amounts of lactate producing bacteria can then develop which produce exotoxins releasing enzymes from the basement membrane of the hoof laminae which cause inflammation and separation of the hoof from the live dermal laminae.

Horses in the frost - Remember: laminitis can be triggered in the winter conditions too.  - voices for horses 

These complex carbohydrates are present in rich grass and particularly so in cereals (hence, laminitis after too much hard feed) but also are present when pasture is 'stressed' such as after fertilizing, a hard frost or sudden change in climatic conditions.

When the grass freezes during a frost it causes the sugars to rise and crystallise in the tips of the blades of grass and because this area is the first to thaw (nearest the surface) it is highly concentrated with sugar and particularly yummy. Hence frost can trigger the condition. So best to wait for the grass to thaw before turning the horse/pony out.

This information has been kindly provided by Voices for Horses member Clare Summers

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The Laminitis Trust
Find Books on Laminitis 



Added on: 29/11/08.

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