Researchers Develop Saliva-Based Equine Tapeworm Test

This could encourage the use of targeted deworming programs to help reduce parasite resistance, scientists said.
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In the global fight against parasite resistance to deworming medications, a group of researchers in the United Kingdom has recently developed a more practical test for the equine tapeworm. Because tapeworm infections are difficult to detect in feces, veterinarians’ preferred testing method has been blood testing. But that could be changing. A new, reliable saliva test is now making its appearance on European markets and could be available in the United States in 2017, researchers said.

The new saliva test allows owners to take samples themselves, said Corrine Austin, PhD, of Austin Davis Biologics Ltd, in Great Addington, U.K. This could encourage the use of a targeted deworming program that can help prevent parasite resistance.

“A limited number of drugs are available for treating equine helminths (worms) and, with no new chemical classes (drugs) in development, care must be taken to preserve the efficacy of the currently effective anthelmintics,” Austin said. “The use of accurate diagnostic tests to detect tapeworm burdens and, hence, inform treatment, will reduce the use of anti-tapeworm anthelmintics. And that could therefore reduce the risk for resistance emergence.”

The level of resistance in tapeworms to current anthelmintics is unknown. “Although resistance has yet to be documented for tapeworms, the risk is significantly increased with continued ‘blanket’ use of anti-tapeworm anthelmintics,” said Austin

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Passionate about horses and science from the time she was riding her first Shetland Pony in Texas, Christa Lesté-Lasserre writes about scientific research that contributes to a better understanding of all equids. After undergrad studies in science, journalism, and literature, she received a master’s degree in creative writing. Now based in France, she aims to present the most fascinating aspect of equine science: the story it creates. Follow Lesté-Lasserre on Twitter @christalestelas.

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