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Journal of Dairy Science Vol. 75 No. 6 1635-1642
© 1992 by American Dairy Science Association ®
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Neutrophil and Lymphocyte Response to Supplementation with Vitamins C and E in Young Calves

S. D. Eicher-Pruiett 1, J. L. Morrill 1, F. Blecha 1, J. J. Higgins 1, N. V. Anderson 1, and P. G. Reddy 1

1 Kansas State University, Manhattan 66506

Calves, beginning at 3 d of age, were bottle-fed milk replacer unsupplemented, or supplemented with 10 g of vitamin C, or supplemented with 10 g of vitamin C plus 57 IU of vitamin E/kg of dry milk replacer (10 calves per treatment). Neutrophils from wk 2 and 4 blood samples were assayed for Staphylococcus aureus phagocytosis and neutrophil-mediated, antibody-dependent cellular cytotoxicity, and lymphocytes from those samples were assayed for concanavalin A-induced, phytohemagglutinin-induced, or pokeweed mitogen-induced proliferation. Ocular and nasal discharges of calves supplemented with vitamins C or C and E were less than those of controls for wk 1 to 8. Calves receiving supplementation with vitamin C and E tended to have higher mitogen-induced lymphocyte proliferative responses at wk 2. Neutrophil-mediated phagocytosis and antibody-dependent cellular cytotoxicity were lower at wk 2 and 4 for calves supplemented with vitamin C than for controls. Neutrophil function of calves supplemented with vitamins C and E together was near, or slightly higher than, that of unsupplemented calves for wk 2 and 4, suggesting that the addition of vitamin E negated the adverse effects that vitamin C alone had on neutrophil functions.

Key Words: vitamins • neutrophil • lymphocyte

Submitted on June 12, 1991
Accepted on January 24, 1992




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