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Publication type: Journal Article
Document type: Case Report

Year: 2006

Author(s): Chizzola, R; Brandstätter, M

Title: Fallbericht: mögliche Kausalität zwischen Aufnahme von Kanadischer Goldrute und Koliksymptomen mit tödlichem Ausgang bei Pferden.

Source: Veterinary Medicine Austria / Wiener Tierärztliche Monatsschrift (93) 166-169.

Authors Vetmeduni Vienna:

Chizzola Remigius

Vetmed Research Units
Institute of Animal Nutrition and Functional Plant Compounds

The feeding of hay containing large amounts of Canadian golden rod (Solidago canadensis) was associated with colic symptoms in a pony and a warmblood gelding of a riding stable with about 60 horses. The pony eventually died. The necropsy showed highly hyperaemic stomach and intestine, partly with haemorrhagic diathesis. The heart was dilated, liver and lungs were congested. The saponins present in golden rod might be the cause of observed changes in the gastrointestinal tract. The gelding displayd colic symptoms, but recovered after a symptomatic treatment. The golden rod is not regarded as a toxic plant, but the fact that the horses ate excessive amounts of it likely was the cause of the observed problems. The golden rod is an invasive plant species in Central Europe that may easily establish dense populations in proximity of grassland. By a careless way of hay production large amounts of this plant may be introduced into the forage.

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