J. Anim Sci.
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Journal of Animal Science, Vol 69, Issue 5 1833-1842, Copyright © 1991 by American Society of Animal Science

JOURNAL ARTICLE

Effect of vitamin E and fat source in sows' diets on immune response of suckling and weaned piglets

L. Babinszky, D. J. Langhout, M. W. Verstegen, L. A. den Hartog, P. Joling and M. Nieuwland
Dept. of Anim. Nutr., Agricultural University, Wageningen, The Netherlands.

Thirty-six 7-mo-old gilts were used to study the effects of dietary vitamin E and fat source (5% sunflower oil or animal fat) in pregnant and lactating sow diets on serum vitamin E concentration and on cell-mediated and humoral immune response in suckling and weaned piglets. Six gilts each received one of six diets throughout pregnancy and lactation. The basal diets (13 mg alpha-tocopherol/kg diet) were supplemented with dl-alpha-tocopheryl acetate to 48 and 136 mg alpha-tocopherol/kg of feed (average analyzed values). After weaning (at 4 wk of age) all pigs received identical diets (20 mg of alpha-tocopherol/kg feed). One week after weaning, pigs were immunized (i.m. with ovalbumin and tetanus toxoid) and antibody production was measured. Blood samples were taken immediately after birth, at 1 wk after birth, at weaning, and at four weekly intervals after weaning. Samples were analyzed for alpha-tocopherol concentration, total number of leukocytes, T- and B-lymphocytes, lymphocyte stimulation with concanavalin A, lysozyme activity, and immunoglobulin concentrations. It was concluded that a high vitamin E level in the sow's diet increased serum vitamin E concentration of 1-wk-old pigs (P less than .05). Immune response against ovalbumin was increased (P less than .05) at 1 wk of age after immunization for weaned pigs from sows fed the high level of vitamin E. Also, the phagocytic measures of pigs at 1 wk of age were increased by the medium vitamin E level (P less than .05). Fat sources in the sow's diet had no consistent effect on the immunological measures of pigs.


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C. Lauridsen and S. K. Jensen
Influence of supplementation of all-rac-{alpha}-tocopheryl acetate preweaning and vitamin C postweaning on {alpha}-tocopherol and immune responses of piglets
J Anim Sci, June 1, 2005; 83(6): 1274 - 1286.
[Abstract] [Full Text] [PDF]


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Copyright © 1991 by the American Society of Animal Science.