The cattle's eyes went blue

The cattle's eyes went blue, showing blindness, and triggering an investigation which discovered elevated lead levels. (ABC North And West SA: Gabriella Marchant). About a year ago, South Australian farmer Lachlan Macdonald noticed his young cattle behaving strangely. "They started stumbling around and their heads were slightly tilted to the side," he said. "Then all of a sudden more and more started getting it and we noticed that some couldn't see and were going blind." Then they began to die. The cattle and sheep were found to have mysteriously elevated lead levels. An ongoing investigation has not found the source and his animals are banned from sale for meat…… https://www.abc.net.au/news/2020-10-15/lead-levels-see-sa-farmers-cattle-banned-from-sale/12767216