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Copper toxicosis was diagnosed in 7 veal calves, 10-16 weeks old, from 5 separate farms. All calves died without specific clinical signs, although 4 of the calves were icteric. The calves' dietary rations had been supplemented with various copper-containing hematinics. Peritoneal hemorrhage was reported at post-mortem in 2 calves. Microscopic evidence of hepatopathy consisted of hepatocellular degeneration and necrosis, hemorrhage, and fibrosis. Concentrations of copper in livers from intoxicated calves ranged from 277 to 684 ppm and in kidneys from 1.1 to 82.0 ppm. The extent and severity of lesions in livers appeared to correlate with concentrations of copper. Nephrosis was minimal, without evidence of hemoglobinuria.
J M Sullivan, and
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F R Robinson
February 1993,
The Veterinary record,
J M Sullivan, and
E B Janovitz, and
F R Robinson
November 1976,
The Veterinary record,
J M Sullivan, and
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J M Sullivan, and
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J M Sullivan, and
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Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc,
J M Sullivan, and
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F R Robinson
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J M Sullivan, and
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F R Robinson
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The Veterinary record,
J M Sullivan, and
E B Janovitz, and
F R Robinson
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Tijdschrift voor diergeneeskunde,
J M Sullivan, and
E B Janovitz, and
F R Robinson
December 1993,
Tijdschrift voor diergeneeskunde,
J M Sullivan, and
E B Janovitz, and
F R Robinson
October 1996,
Veterinary and human toxicology,
