Epidemiology of Lead Poisoning in Cattle– A Five-Year Study in Iowa

Abstract
Lead poisoning has been increasingly recognized as a significant and major cause of bovine poisoning in Iowa during recent years [3, 4]. Data from the Iowa Veterinary Diagnostic Laboratory for the years 1965 through 1971 indicate an increasing number of lead poisoning cases in cattle, with 1970 as the peak year. From January, 1967, through June 30, 1971, 80 episodes of bovine lead poisoning have been confirmed by the Veterinary Diagnostic Laboratory. Of this number, 28 were recognized in 1970 alone. Lead poisoning is the single most common toxicosis in cattle in Iowa. In order to further delineate the incidence, clinical severity, sources, seasonal occurrence, and chemical results of affected and non-affected animals, this study was undertaken.

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