Study demonstrates multi-year efficacy of PZP fertility control in wild horses

From Wildlife Research -


Context: At some sites, wild horse populations have been effectively and non-invasively regulated using remote darting with porcine zona pellucida (PZP) immunocontraceptive vaccines. However, this model has not been widely applied to wild horse herds in western USA, many of which are difficult to access because they roam large areas and are wary of people. Single-treatment, multi-year contraceptive vaccines would significantly broaden the scope for successful contraceptive management.

Rutberg, A., K. Grams, J.W. Turner, Jr., and H. Hopkins. 2017.  Contraceptive efficacy of priming and booster doses of controlled-release PZP in wild horses.  Wildlife Research 44:174-181.

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