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→Aetiology
==Prevalence==
==Prevalence==
Most common in the southeastern USA, Germany, and The Netherlands.(Merck) Anoplocephala perfoliata has a prevalence as high as 60% in some geographical areas and has been associated with increased risk for serious conditions in the horse including bowel irritation, ileal impaction, and spasmodic colic. (Kania)
Most common in the southeastern USA, Germany, and The Netherlands.(Merck) Anoplocephala perfoliata has a prevalence as high as 60% in some geographical areas and has been associated with increased risk for serious conditions in the horse including bowel irritation, ileal impaction, and spasmodic colic. (Kania)
==Aetiology==
==Aetiology==
In the southeastern United States, feeding of sub-optimal Coastal Bermuda hay and lack of administration of the anthelmintic pyrantel pamoate have been implicated as a risk factors. It is thought this forage contains a high amount of thin fibres which are prematurely swallowed. Sudden feed changes may also be a risk (38). In the UK, infection with the tapeworm [[Anoplocephala|''Anoplocephala perfoliata'']] is an important risk factor. Data suggests that more than 80% of ileal impactions were associated with serological or faecal evidence of tapeworm infection(39). Impaction may also develop secondary to spastic contractions of the ileal musculature against ingesta.(Merck)
In the southeastern United States, feeding of sub-optimal Coastal Bermuda hay and lack of administration of the anthelmintic pyrantel pamoate have been implicated as a risk factors.(Little) It is thought this forage contains a high amount of thin fibres which are prematurely swallowed. Sudden feed changes may also be a risk (38). In the UK, infection with the tapeworm [[Anoplocephala|''Anoplocephala perfoliata'']] is an important risk factor. Data suggests that more than 80% of ileal impactions were associated with serological or faecal evidence of tapeworm infection(39). Impaction may also develop secondary to spastic contractions of the ileal musculature against ingesta.(Merck)
==Clinical Signs==
==Clinical Signs==