New World screwworm has been detected in the United States, creating new challenges for veterinarians and livestock producers. In this special episode, Dr. Diane Kitchen, state epidemiologist for the Florida Department of Agriculture and Consumer Services, discusses what practitioners should know about identifying suspect cases, collecting diagnostic samples, treating affected animals and supporting eradication efforts. She also explains current movement restrictions, reporting expectations and why daily animal observation remains one of the most important tools in the response.

Resources mentioned in this episode:
TAHC Monitoring and Reporting: https://www.tahc.texas.gov/emergency/nws.html
Interstate Animal Moving Requirements: https://www.interstatelivestock.com/
FDA Approved Drugs List: https://www.fda.gov/animal-veterinary/safety-health/new-world-screwworm-information-veterinarians
USDA Screwworm Home: screwworm.gov

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For decades, estradiol-based protocols have been central to fixed-time artificial insemination in beef cattle, but growing scrutiny of estrogenic compounds has prompted researchers to explore alternatives. In this episode, Dr. Jaswant Singh and Dr. Carlos Leonardi discuss their research on Cetrorelix, a human fertility drug that may offer a non-steroidal approach to follicular wave synchronization.

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Routine, whole-herd deworming is giving way to a more strategic approach as veterinarians grapple with resistance, subclinical production losses, and changing management goals. In this episode, Dr. Megan Bollin and Dr. Nancy Jackson discuss diagnostics, refugia, combination therapy, and every day management practices shaping the future of parasite control in cattle.

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