Cornell Cooperative Extension honors state official for his 4-poster efforts December 8, 2011 New York

New York Urban Deer Management News Archive

... The devices apply permethrin to the heads of necks of deer as they feed on corn... researchers observed that tick levels in 4-poster treatment sites significantly declined compared with the control site from 2008 to 2009, and in most cases from 2008 to 2010. A number of other studies outside of New York State have shown reductions in tick populations at all stages of development, measuring greater than 90 percent and as much as 100 percent. 

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