babsbag
Herd Master
Because I am a very curious person I have never heard of eye cancer in cows I did some reading. I came across a study where they removed the eye while conscious with no general anesthesia.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2871356/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2871356/