J. Anim Sci.
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J. Anim Sci. 1988. 66:2351-2355.
© 1988 American Society of Animal Science
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Mycotoxin Interactions in Poultry and Swine1,2,

W. E. Huff3, L. F. Kubena3, R. B. Harvey3 and J. A. Doerr4

U.S. Department of Agriculture College Station, TX 77841 and University of Maryland,4, College Park 20742

Abstract

Mycotoxins are toxic compounds produced by fungi. When one mycotoxin is detected, one should suspect that others also are present in a contaminated feed ingredient or finished feeds. The toxicity and clinical signs observed in animals when more than one mycotoxin is present in feed are complex and diverse. Some mycotoxins, such as the combination of aflatoxin with either ochratoxin A or T-2 toxin, interact to produce synergistic toxicity in broiler chicks. The effects observed during multiple mycotoxin exposure can differ greatly from the effects observed in animals exposed to a single mycotoxin. For example, fatty livers in poultry are used for presumptive diagnostic identification of aflatoxicosis. However, simultaneous presence of ochratoxin A prevents fatty livers. Of the mycotoxin combinations that have been investigated in poultry and swine, the aflatoxin + ochratoxin A and aflatoxin + T-2 toxin interactions appear to be the most toxic.

Footnotes

1 Presented as an invited paper in a symposium on Poisonous Plants and Animal Toxicoses at the 79th Annu. Mtg. of the Am. Soc. of Anim. Sci., July 31, 1987, Utah State Univ., Logan.

2 Mention of trade name, proprietary product, or specific equipment does not constitute a guarantee or warranty by the USDA and does not imply its approval to the exclusion of other products that may be suitable.

3 ARS, Vet. Toxicol. and Entomol. Res. Lab., Mycotoxin Res. Unit.

4 Dept. of Poult. Sci., Univ. of Maryland.






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Copyright © 1988 by the American Society of Animal Science.