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Peer-reviewed veterinary case report

Horses with intestinal blockage from tapeworms - what to know

By Barclay, W P et al.·Published in Journal of the American Veterinary Medical Association·1982·View original on PubMed

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Original publication title: Intussusception associated with Anoplocephala perfoliata infection in five horses.

Species:
horse
Colic in horsesStomach & digestionHorses

Plain-English summary

In a study involving five horses, a condition called intussusception, where part of the intestine folds into itself, was linked to an infection from a type of tapeworm called Anoplocephala perfoliata. The presence of these tapeworms at the site of the intestinal folding suggested they were likely causing the issue. Signs of damage from the tapeworms were found on the intestinal lining, supporting the idea that they contributed to the intussusception. Treatment with a medication called pyrantel pamoate successfully removed the tapeworms in two of the horses and some of their pasturemates. Overall, the treatment worked to eliminate the tapeworms associated with this condition.

Abstract

Intussusception associated with Anoplocephala perfoliata infection was found in 5 horses. The unusual types of intussusception and the presence of tapeworms at the leading edge of the intussuscipiens suggested tapeworms as the cause of the problem. Lesions attributable to tapeworm attachment on the mucosa were found to fit a mechanical model of intussusception. Treatment of two of the horses and some of their pasturemates with pyrantel pamoate caused elimination of intact tapeworms.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/7085455/