Links to SpayVac pZP vaccine related info

Articles on using immunocontraception


  • National Geographic article about using pZP vaccine for wild horses.  
  • Wild Horse Population Crisis
  • Wild Horses of America Foundation believes pZP for wild horses is the best option
  • Is pZP safe? Article from the humane society

SpayVac Scientific Publications


SpayVac Publications can be found on our About SpayVac page beneath the FAQs



Immunovaccine license agreement for exclusive use of DepoVax® and VacciMax for use in developing contraceptive vaccines for feral, invasive, and overabundant mammal populations. April 23, 2018. Madison, WI, USA; Victoria, BC, Canada; and Halifax, NS Canada

SpayVac-for-Wildlife, Inc., announces an agreement with Immunovaccine, Inc. (TSX:IMV) (OTC:IMMVF) who granted them a license to two proprietary vaccine delivery platforms, VacciMax® and DepoVax™.  SpayVac-for-Wildlife, Inc. (SFW Inc.) will use these platforms to develop immunocontraceptive vaccines for use in populations of overabundant, feral and invasive mammals. SFW Inc.’s mission is to commercialize humane birth control tools for these over abundant populations.

SFW Inc. will produce and market SpayVac®, a pZP vaccine, using both of IMV’s proprietary VacciMax and DepoVax platforms. SFW Inc. will have global exclusive rights to use both of these platforms to develop humane, immunocontraceptive vaccines for control of overabundant, feral and invasive wildlife populations. 

Important News Relevant to pZP Vaccine and Immunocontraception


Animal Populations


Other Groups Interested in Immunocontraception


We are accumulating a collection of links to other immuoncontraceptive-centric organizations