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the black silhouette of a cow in a pasture at sunset that is orange, red, pink and purple
The OSU Beef Cattle Extension team will offer weekly webinars throughout the next month to educate producers on parasite management in their herds. (Photo by Todd Johnson, OSU Agriculture)

Free webinars to discuss parasite control in cattle

Monday, August 7, 2023

Media Contact: Gail Ellis | Editorial Communications Coordinator | 405-744-9152 |

The Oklahoma State University Extension Rancher’s Thursday Lunchtime Series will continue webinar presentations this month on navigating new guidelines and parasite control.

The series features timely information on beef production, management and marketing from the OSU Extension beef cattle team, experienced ranchers and scientists. The following sessions are free and begin at noon.

Aug. 17 – New Guidelines for Use of Antibiotic Products in Beef Production Systems

  • Dr. Rosslyn Biggs, Extension veterinarian and clinical assistant professor, veterinary clinical sciences, OSU

Aug. 24 – Internal Parasite Management in the Cow Herd

  • Dr. Christine Navarre, Extension veterinarian, Louisiana State University AgCenter

Aug. 31 – Parasite Resistance to Anthelmintic Products

  • Dr. John Gilliam, clinical professor of food animal production medicine and field service, veterinary clinical sciences, OSU

Sept. 7 – New Implant Guidelines in Beef Production Systems

  • Dr. Brad Johnson, Gordon W. Davis Chair and professor, animal and food sciences, Texas Tech University

Registration is required. For more information, contact David Lalman at 405-744-6060 or

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