Copper toxicity in ruminants: air pollution as a possible cause

Gummow, B., Botha, C.J., Basson, A.T., and Bastianello, Stella S. (1991) Copper toxicity in ruminants: air pollution as a possible cause. Onderstepoort Journal of Veterinary Research, 58 (1). pp. 33-39.

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Abstract

Pathological findings and liver and kidney analyses confirmed that cattle had died of chronic copper poisoning on a farm in the north-eastern Transvaal. This is the first known published record of chronic copper intoxication of cattle in southern Africa. An epidemiological study revealed that a source of copper was air pollution which could have arisen from a nearby copper smelting unit. Buffalo and impala in an adjacent area of the Kruger National Park were found to have significantly higher liver copper levels than animals elsewhere in the Park. Prophylactic licks, containing zinc sulphate and sulphur, seemed to be successful in protecting cattle against the effects of the copper in the contaminated grazing.

Item ID: 18658
Item Type: Article (Refereed Research - C1)
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ISSN: 0030-2465
Date Deposited: 30 May 2012 22:36
FoR Codes: 07 AGRICULTURAL AND VETERINARY SCIENCES > 0707 Veterinary Sciences > 070704 Veterinary Epidemiology @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970107 Expanding Knowledge in the Agricultural and Veterinary Sciences @ 100%
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