Bird and Mammal Damage to Field Corn in Ohio, 1977-79
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Citation:The Ohio Journal of Science. v82, n3 (June, 1982), 133-136
Blackbird and mammal damage to corn is widespread throughout Ohio. Surveys of damage from 1977-79 revealed, however, that blackbirds annually destroyed less than 1% of the corn crops in Ohio, which amounts to a loss of 4-7 million dollars per year statewide. Mammal damage averaged 0.13% over the 3-year period. Over 97% of the cornfields in Ohio receive less than 5% damage from blackbirds, and these losses comprise more than 70% of the total dollar loss in the state.
Author Institution: U.S. Fish and Wildlife Service
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