Selamectin is a macrocyclic lactone derivative of ivermectin, an anthelmintic that potentiates glutamate- and GABA-gated chloride channel opening in nematodes.1,2 At 0.1 ?g/ml, selamectin is reported to inhibit growth in an H. contortus larval development assay.2
1.Holden-Dye, L., and Walker, R.J.Anthelmintic drugs and nematicides: Studies in Caenorhabditis elegansWormBook161-29(2014) 2.Michael, B., Meinke, P.T., and Shoop, W.Comparison of ivermectin, doramectin, selamectin, and eleven intermediates in a nematode larval development assayJ. Parasitol.87(3)692-696(2001)
















