J. Anim Sci.
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J. Anim Sci. 1971. 33:1259-1262.
© 1971 American Society of Animal Science
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Effect of Feeding Corn Inoculated with Nigrospora Oryzae and Cladosporium on the Performance of Growing Swine and Rats1

D. P. Sharda, R. F. Wilson, L. E. Williams and L. A. Swiger2, 3,

The Ohio Agricultural Research and Development Center, Wooster 44691 and The Ohio State University, Columbus 43210

Abstract

Christensen (1964) included Cladosporium and Nigrospora oryzae in the field fungi group. These molds invade the kernels while they are developing or after they have matured but before the grains are harvested. They do not develop after storage and, as such, are mainly a field problem.

Teague (1966) reported the growth of molds on the 1965 corn crop in certain areas of America. Nigrospora and Cladosporium were two of the molds identified in these out-breaks. Feeding of mold-invaded corn caused reduced feed intake, vomiting and estrogen stimulation of both males and females.

Mitchell et al. (1947) reported that corn infected with Nigrospora fungus was less digestible for rats and that its energy value was also slightly less than that of sound corn.

The object of this study was to determine the susceptibility of rats to the toxic metabolites produced by these molds and to learn if the white rat can be used as a pilot animal for studies of the toxicity of these molds in swine.

Footnotes

1 Approved as Journal Article No. 7-71 by the Associate Director of the Ohio Agricultural Research and Development Center, Wooster.

2 Graduate Assistant, Department of Animal Science, Columbus; Professor, Department of Animal Science, Columbus; Professor and Associate Chairman, Department of Plant Pathology, Wooster; Professor, Department of Animal Science, Columbus.

3 The authors acknowledge the cooperation and assistance of Richard Ritter and Getz Reed at the Ohio Agricultural Research and Development Center and Harold Delong at the Ohio State University.






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Copyright © 1971 by the American Society of Animal Science.