Impairment in Nutritive Value of Corn Grain Damaged by Nigrospora oryzae

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Abstract
THE extent of infection of the corn grain by fungi of various kinds is an important item in the grading of corn by physical or chemical means or by performance tests. It may also be an important item in the feeding value of the grain for livestock. Mitchell and Beadles (1940) have studied the impairment in the nutritive value of corn by various types of ear rot, using growing albino rats as test animals. They reported that infection with diplodia or fusarium ear rot definitely lowered the digestibility of both protein and energy in corn, as well as the growth promoting value. A sample of corn containing 53 percent of kernels damaged by the gibberella organism was extremely toxic for the young albino rat. Many references in the literature reporting observations on the feeding value, or the toxicity, of “moldy” corn are difficult to evaluate because the type of the infective organisms was not identified. Copyright © . .
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