In the video, the farmer demonstrates how petting the vulva gives the cow a piss...

ddebernardy on March 15, 2019 | parent | context | favorite | on: CowToilet, a Toilet for Cows

In the video, the farmer demonstrates how petting the vulva gives the cow a pissing reflex. That's not exactly applicable to bulls -- and if it were in a similar male area I'd spitball that you might end up with semen instead.