Cattle have four “stomachs.” But they are actually four different digestive chambers, not really stomachs as such.
But while we’re at it, did these test subjects strip naked, defecate and urinate on themselves, and vomit their food back up so they could re-chew it?
Then I would suggest that they failed to achieve the “full bovine experience.”
I would suggest the cattle prods on full, max settings, not just some ground vibrations. Then you’d probably have seen a much more realistic defecating and urinating seance, not to mention maybe a cure for liberalism.