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Veterinary Medicines
Combined sheep anthelmintic launched

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A NEW broad-spectrum, dual-active sheep wormer drench containing a new class of active ingredient has been launched by Pfizer.

The company says that STARTECT, which is classed as POM-V, is the first dual-active wormer in the UK, employing two active ingredients from different wormer groups. One is derquantel, which belongs to a new class of anthelmintics called spiroindoles. It is an acetylcholine receptor antagonist that causes flaccid paralysis and expulsion of nematodes. The other is abamectin, a macrocyclic …

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