USDA defends screwworm response amid congressional fingerpointing

USDA defends screwworm response amid congressional fingerpointing
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The New World screwworm is a parasitic fly whose larvae feed on living tissues of warm-blooded animals. Credit: USDA website By Gabby Birenbaum, The Texas Tribune WASHINGTON At a Senate Agriculture Committee hearing earlier this month, U.S. Agriculture Secretary Brooke Rollins was resolute — her ...