title: Benzene hexachloride poisoning in cattle.
abstract: Of 174 cattle dipped in an emulsified preparation of benzene hexachloride labeled for plant use, 18 were fatally poisoned. The preparation contained 0.14% active ingredient, gamma isomer of benzene hexachloride (BHC), a normally safe concentration for cattle. Analyses revealed 0.08% gamma BHC in the used dip and 0.5, 7.9, and 198 ppm in liver, kidney, and hairskin specimens, respectively, from a fatally affected cow. Microscopic examination of the freshly prepared dip demonstrated emulsion droplets ranging from 5 to 60 mu in diameter.
mesh_terms: D000287:Administration, Topical; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000139:chemically induced*; D004655:Emulsions; D006197:Hair / Q000032:analysis; D001556:Hexachlorocyclohexane / Q000008:administration & dosage / Q000032:analysis / Q000506:poisoning*; D007668:Kidney / Q000032:analysis; D008099:Liver / Q000032:analysis; D010316:Particle Size; D012640:Seizures / Q000139:chemically induced / Q000662:veterinary; D012867:Skin / Q000032:analysis
chemical_list: D004655:Emulsions; D001556:Hexachlorocyclohexane