The USDA has confirmed the first US case of the New World screwworm in six decades after finding the flesh-eating parasite in a Texas calf.Authorities established strict quarantine zones and are deploying sterile flies to prevent the spread of the pest among livestock.The incident threatens the already depleted US cattle industry and could lead to significant economic losses and increased beef prices.Agriculture Secretary
Brooke Rollins is overseeing federal efforts to contain the parasite as regional leaders criticize the initial response.