Fripp Island, Single-Treatment Procine Zona Pellucida Immunocontraception Associated with Reduction of a Population of White-Tailed Deer ...AT Rutberg, RE Naugle, F Verret - Journal of Zoo and Wildlife Medicine, 2013

South Carolina Urban Deer Management News and Informaton Archive

... Previous reports have demonstrated gradual reductions of white-tailed deer (Odocoileus virginianus) populations through immunocontraception, with stabilization occurring after 2–4 yr of treatment, and subsequent reductions of 6–10% annually. These studies employed porcine zona pellucida (PZP) vaccines that required two initial treatments and annual retreatments. From 2005 to 2010, 258 adult and yearling female deer on Fripp Island, South Carolina, were treated with one of several PZP preparations designed to produce 2+ yr of effective contraception with a single treatment... From 2005 to 2011, deer density on Fripp Island declined by 50%, from 72 deer/km2 to 36 deer/km2, an average annual reduction of 11%. In contrast, population density on the Hunting Island control site fluctuated between 2005 and 2011, averaging 23 deer/km2 (range, 19–28 deer/km2)...

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