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Journal of Nutrition Vol. 105 No. 5 May 1975, pp. 599-606
Copyright © 1975 by American Society for Nutrition
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Interactions of Cadmium with Copper, Iron, Zinc, and Manganese in Ovine Tissues1

John J. Doyle2 and William H. Pfander

Animal Science Research Center, University of Missouri, Columbia, Missouri 65201

Diets containing 0, 5, 15, 30, and 60 ppm of cadmium were fed to male lambs for 191 days to ascertain what effect cadmium might have on the tissue concentrations of copper, zinc, iron, and manganese. The cadmium content of all tissues increased with an increase in dietary cadmium. The iron concentration of the ileum tissue was significantly depressed in the cadmium-treated groups compared with that of the controls. Liver copper, iron, and manganese were significantly depressed and liver zinc significantly increased by varying levels of dietary cadmium. The copper concentrations of the spleen and testicles were significantly decreased by all levels of cadmium while the copper and zinc concentrations of the kidneys were significantly increased in the 30 and 60 µg Cd/g and 15, 30, and 60 µg Cd/g groups, respectively. In general, cadmium had no significant effect on the rumen, abomasal, heart, or lung concentrations of copper, zinc, iron, or manganese.

KEY WORDS: • cadmium • interactions • copper • zinc • iron • manganese • tissues • lambs

1 Journal Series no. 1764. Approved by the Director of the Missouri Agricultural Experiment Station.

2 Current address: Human Nutrition Laboratory, USDA, 2420-2nd Avenue North, P.O. Box D, University Station, Grand Forks, N.D. 58201.

Manuscript received 12 November 1974.




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