J. Anim Sci.
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J. Anim Sci. 1985. 60:239-247.
© 1985 American Society of Animal Science
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Deoxynivalenol-Contaminated Wheat in Swine Diets1

D. S. Pollmann2, B. A. Koch2, L. M. Seitz3, H. E. Mohr3 and G. A. Kennedy4

Kansas State University, Manhattan 66506 and U.S. Grain Marketing Research Laboratory, Manhattan, Kansas 66502

Abstract

Two studies were conducted using Fusarium graminearum-infected (scabby) wheat containing 6.8 ppm deoxynivalenol (DON), commonly called vomitoxin, substituted for normal wheat in starter pig diets to give varying levels of DON. After 3 wk on experimental treatments, one-half of the pigs in trial one were sacrificed to evaluate the effects of DON on heart, kidney, spleen and liver. Analyses for DON residues in these tissues were also performed. The remaining 16 pigs were placed on a conventional diet for 4 wk to evaluate effects of DON on subsequent animal performance. A different sample of scabby wheat containing 4.9 ppm of DON was substituted for sorghum grain in growing-finishing pig diets to give varying concentrations of DON. At the end of the 42-d feeding period, eight pigs were slaughtered to evaluate the effects of DON on selected tissues. Results of the three trials suggest that feed intake was reduced when DON concentrations in the swine diets neared or exceeded 1 ppm. No apparent signs of disease, including vomiting, were observed in experimental animals. Histological evaluation revealed no significant lesions or abnormalities related to DON ingestion in tissues examined. Traces of DON (8 to 28 ppb, wet weight) were found in kidney, liver, spleen and heart of starter pigs consuming the diets containing DON up to time of slaughter. No DON was found in tissues of growing-finishing pigs that were withdrawn from feed about 12 h before slaughter.

Footnotes

1 Contribution No.84-117-J, Kansas Agr. Exp. Sta., Manhattan 66506.

2 Dept. of Anim. Sci. and Ind.

3 U.S. Grain Marketing Research Laboratory (USDA/ARS/NCR). 1515 College Ave., Manhattan, KS 66502.

4 Vet. Diag. Lab.




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H. V. L. N. Swamy, T. K. Smith, E. J. MacDonald, H. J. Boermans, and E. J. Squires
Effects of feeding a blend of grains naturally contaminated with Fusarium mycotoxins on swine performance, brain regional neurochemistry, and serum chemistry and the efficacy of a polymeric glucomannan mycotoxin adsorbent
J Anim Sci, December 1, 2002; 80(12): 3257 - 3267.
[Abstract] [Full Text] [PDF]


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Copyright © 1985 by the American Society of Animal Science.