New York State wildlife management, particularly in Irondequoit and Head of the Harbor, utilizes Porcine Zona Pellucida (PZP) immunocontraceptive vaccines for deer population control. The programs involve capturing deer to administer PZP-22, with documentation focusing on methodology, efficacy, and costs as outlined in official NYSDEC reports. For more details, visit ResearchGate . NYSDEC_Head of the Harbor Deer Report_ 2019_ short