Goal of New Darting Program Is Sterilization?

A story that appeared today in the Reno Gazette Journal said that PZP, a pesticide that will be fired by dart guns into Virginia Range mares to prevent conception, requires a primer and booster in the first year and annual boosters in subsequent years, but after three to five years mares can become self-boosting and no longer require additional injections.

Does that mean their ovaries are now producing a hormone that blocks ovulation or interferes with conception?  Or have they become sterile?

Last year there was uproar when the BLM tried to move ahead with sterilization research on wild horses.

But nobody raises an eyebrow if the same result is achieved by fertility control ‘drugs.’

RELATED: Governor Praised for Resuming Fertility Control Program.

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