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A comment on Fentanyl Vaccine Potential ‘Game Changer’ for Opioid Epidemic. Parent comment

Re:Fentanyl Vaccine Potential ‘Game Changer’ for Opioid Epid... by emiliobumachar on Tuesday January 24, 2023 @06:34AM (#34502331)
Could you please link to or expand about plants producing toxins that specifically keep animals from breeding? It's news to me, and a web search has failed me. Is that long-term pest control, or something else?
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Re:Fentanyl Vaccine Potential ‘Game Changer’ for Opioid Epid... by anonymouskimmer on Tuesday January 24, 2023 @11:17AM (#34505587)
The term you want to search for is "phytoestrogens".

From wikipedia: "It has been hypothesized that plants use a phytoestrogen as part of their natural defence against the overpopulation of herbivore animals by controlling female fertility.[3][4]"

Though wikipedia also says: "These compounds in plants are an important part of their defense system, mainly against fungi.[19]"

So it could be that plants are principally targeting fungi for the most part, and just serendipitously targeting animals as well.

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