Immunoreactivity of anti pZP antibodies from the serum of SpayVac vaccinated mares to equine zona protein
Immunocontraception with the porcine zona pellucida (pZP) antigen is a well-published means of wild horse contraception. There are three pZP vaccines currently proposed for use in horses, Zonastat-H®, PZP-22, and SpayVac®. Despite abundant research concerning the safety and contraceptive efficacy of pZP vaccines in numerous species, the contraceptive mechanisms of the pZP antigen remain unclear and have not been investigated thoroughly for SpayVac. We investigated the immunoreactivity of anti pZP antibodies from the serum of SpayVac vaccinated mares to equine zona protein using Western blot and ...
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