Issue Date: March 17, 2008
New Worm Weapons For Grazing Livestock
When sheep and cattle graze, they sometimes devour far more than a square meal. Increasingly, the grazers are becoming infected with drug-resistant parasitic worms that cause life-threatening anemia. A research team led by Ronald Kaminsky at the Novartis Animal Health Research Center, St. Aubin, Switzerland, has reported the first new class of worm—killing-but ruminant-friendly—compounds in 25 years in Nature (2008, 452, 176). The "worm weapons" are a family of amino-acetonitrile derivatives (the most potent . . .
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