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No additive effect: COWP + Cydectin®

Researchers at Virginia State University carried out an experiment to determine the effectiveness of copper oxide wire particles (COWP), moxidectin (Cydectin®), and COWP + Cydectin® in reducing fecal egg counts in meat goat kids.

Forty-five Spanish and Myotonic meat goat kids with FAMACHA© scores of >3 were utilized in the study. Their ages and weights averaged 88.4 ± 0.7 days and 12.5 ± 0.4 kg, respectively. There was a mixed population of worms cultured from pooled fecal samples (averaging 70.3%, 17.7%, and 12.0% for Haemonchus contortus, Tricostrongylus spp., and Oesphagostomum spp., respectively).

Compared to the untreated controls, all treatments were effective at reducing fecal egg counts, but there was no additive effect when COWP was given in combination with moxidectin.

Previously, a study showed that when COWP was combined with a dewormer, this increased the efficacy of treatment. This USDA study was done in 2016 with lambs and the anthelminic tested was albendazole (Valbazen®).

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