Toxic Effects of Trace Element Excess

Document Type

Article

Journal/Book Title/Conference

Veterinary Clinics of North America: Food Animal Practice

Volume

7

Publication Date

1991

First Page

277

Last Page

306

Abstract

Excesses of many trace elements can cause direct toxic effects to cattle as well as indirect effects that can cause a secondary deficiency of other trace elements. Clinical signs may vary from poor growth and feed utilization to neurologic disorders. Toxic effects vary with the specific trace element in question, the total amount of that element in the diet, the age and condition of the animal, and the presence or absence of certain other dietary components. A diagnosis of toxic trace element interaction is based upon compatible clinical signs in affected animals as well as supporting chemical analyses.

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