Thought it was bad feed they got ahold of? Too much soy can fuck a cow up and they were being plumped up for slaughter in a ginormous feed lot, which may have also been the issue.
https://beforeitsnews.com/opinion-conservative/2022/06/as-a-cattle-person-i-need-to-weigh-in-on-the-mass-cattle-die-off-video-thats-going-around-3633242.html