Toxicity associated with zinc sulfate footbaths for sheep
Dargatz, D. A.Miller, Lisa M.Krieger, R. I.Gay, C. C.
Pathology and Microbiology
Deaths from acute zinc intoxication occurred among sheep that passed through a foot bath containing 20% zinc sulphate in order to obtain water. Experimentally it was shown that as little as 8 oz of a 20% zinc sulphate solution could kill within 4 hours of ingestion..