Per the talk section above there is some mainstream research that passes WPRS and WPV on pasturing stallions together as a bachelor herd which is already mentioned i passing in the article  I posted the links and have not ever had the time to integrate them Id have no objections if someone wanted to put together a short section with those links as sources and an NPOV tone it could be added to expand the th paragraph of StallionManagementandhandlingofdomesticatedstallions That would actually be useful