Because those other animals weren't sweltering in feedlots.
This is perfectly normal for cattle and happens every single summer.
Help halt the spread unwarranted hysteria with the truth.
There is already enough real stuff to be hysterical over.
https://www.barnhardt.biz/2022/06/17/as-a-cattle-person-i-need-to-weigh-in-on-the-mass-cattle-die-off-video-thats-going-around/