Tuesday, March 4, 2014

Herbal Dewormer Fails to Control Parasites

by Dr. Dahlia O'Brien
Virginia State University

Over the last few years, a number of studies have been done to test the effectiveness of commercially available herbal dewormers. Most recently, two studies were conducted at Delaware State University to test how effective Hoegger’s Herbal Wormer was in reducing fecal egg counts in meat goat kids and lactating does.

This dewormer is distributed by Hoegger’s Goat Supply (Fayetteville, GA) and contains a mixture of dried plant materials including wormwood, gentian, fennel, psyllium and quassia. Individually, these ingredients have all been reported to have possible deworming properties capable of reducing internal parasites in livestock. However, most of this information is anecdotal and not supported by scientific data.

So far, scientific studies evaluating commercial, non-chemical dewormers have found that they fail to reduce fecal egg counts in sheep and goats. The results from these two studies also supports that at the recommended dose and under the conditions of the studies, Hoegger’s Herbal Wormer was not an effective dewormer.

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