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Journal of Dairy Science Vol. 61 No. 8 1161-1166
© 1978 by American Dairy Science Association ®
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Heinz Body Formation in Calf Erythrocytes

G. P. Lynch1, D. F. Smith1, R. C. Cope1 and M. Fisher2

U.S. Department of Agriculture, Beltsville, MD 20705

ABSTRACT

Heinz body formation was induced in calf erythrocytes by a daily dose of 8 mg phenylhydrazine/kg body weight. Body weights and feed intakes were not affected, the glutathione content of erythrocytes was reduced, but the hemolysis rate of erythrocytes was not changed. Morphological changes in erythrocytes were shown by light and high resolution scanning microscopy. The appearance of Heinz bodies may have value as an indicator of oxidative stress under conditions such as copper toxicity or deficiency of selenium-vitamin E.

FOOTNOTES

1 Ruminant Nutrition Laboratory, Nutrition Institute, Beltsville, MD 20705.

2 Animal Physiology and Genetics Institute, Beltsville, MD 20705.






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Copyright © 1978 by the American Dairy Science Association ®.