Disease Du Jour Podcast Episode 24: Dr. Patrick McCue on Controlling Estrus in Performance Mares

As show season is gearing up, many veterinarians will be asked about estrous cycle control of performance mares.
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bucking chestnut English rider

Veterinarians must determine the cause of problems in performance mares.

Welcome to EquiManagement’s podcast Disease Du Jour, which is focused on equine research and current best practices. Disease Du Jour is brought to you in 2020 by Merck Animal Health.

Our guest on today's episode about Controlling Estrus in Performance Mares is Dr. Patrick McCue, a diplomate in the American College of Theriogenologists. McCue coordinates the Clinical Stallion, Broodmare, Foaling and Embryo Transfer Services at the Equine Reproduction Laboratory at Colorado State University.

We invite you to download, listen to and rate previous and future episodes of Disease Du Jour on iTunes, SoundCloud, Stitcher or your favorite podcast platform.

Topics Discussed:

  • Brief review of the estrus cycle
  • Reasons/case selection for control of the estrous cycle
  • Conversation tips for discussions with horse owners and trainers about estrous suppression
  • Options for suppression of estrus
  • When to start and stop therapy with altrenogest
  • Cautions about products that are either ineffective or prohibited
Dr. Patrick McCue

Patrick McCue, DVM, DACT, coordinates the Clinical Stallion, Broodmare, Foaling and Embryo Transfer Services at the Equine Reproduction Laboratory at Colorado State University.

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Previous Episodes of Disease Du Jour

If you missed any of the previous episodes of Disease Du Jour, feel free to go back and catch up!

Episode 23 - Nicholas Pusterla, DVM, PhD, DACVIM, DAVDC-Equine, from the University of California, Davis, on Equine Coronavirus.

Episode 22 - Nathaniel A. White II, DVM, MS, DACVS, on the Equine Disease Communication Center.

Episode 21 - Steve O’Grady, DVM, MRCVS, a farrier with 40 years of experience who owns Virginia Therapeutic Farriery, on White Line Disease.

Episode 20 - Rick Mitchell, DVM, MRCVS, DACVSMR, Certified ISELP member, of Fairfield Equine Associates in Newtown, Connecticut, on Joint Injections.

Episode 19 - Duncan Peters, DVM, DACVSMR, Certified ISELP Member and co-owner of East-West Equine Sports Medicine in Lexington, Kentucky, talks about equine tendon and ligament injuries and treatments.

Episode 18Tracy Turner, DVM, MS, ACVS, ACVSMR, Fellow American Academy of Thermology, owner of Turner Equine Sports Medicine and Surgery, talks about the Equitarian Initiative.

Episode 17Robert Holland, DVM PhD, who is in private practice in Kentucky, talks about equine strangles.

Episode 16 - Craig Barnett, DVM, Director of the Equine Veterinary Professional Services segment at Merck Animal Health, talks about the Merck Equine Respiratory Biosurveillance program and what it means to veterinarians, researchers and the horse industry.

Episode 15 - Raul Bras, Raul Bras, DVM, CJF (Certified Journeyman Farrier), a shareholder in Rood and Riddle Equine Hospital in Lexington, Kentucky, talks about veterinarian-farrier relationships. Bras' professional focus is on equine podiatry, and he travels from his home base in Lexington throughout the country and the world. He is the 2019 president of the Northeast Association of Equine Practitioners.

Episode 14 - Angela Pelzel-McCluskey, DVM, MS, is a National Equine Epidemiologist for the United States Department of Agriculture (USDA), Animal and Plant Health Inspection Service (APHIS), Veterinary Services. She discussed equine infectious anemia (EIA).

Episode 13 - Michele L. Frazer, DVM, DACVIM, DACVECC, is an Associate veterinarian at Hagyard Equine Medical Institute in Lexington, Kentucky. She discussed diarrhea in adult horses and foals.

Episode 12 - Jack Easley, DVM, MS, DABVP, DAVDC (Eq), is the owner of Easley Equine Dentistry based in Shelbyville, Kentucky. Easley talks about how much has changed in equine dentistry, the wide variety of dental diseases horses can have, the need for a good dental exam with the right tools, the use of radiographs, and what horse owners expect today in equine dental care.

Episode 11 - This episode—featuring Drs. Ernie Bailey of the Gluck Equine Research Center at the University of Kentucky, and Samantha Brooks of the University of Florida—covers the topic of Genes as Management Tools. We discuss how genetics touches equine veterinarians on a day-to-day basis; adaptation and evolution; fragile foal syndrome; OCD; roaring; reproduction; and infectious disease.

Episode 10 - Angela Pelzel-McCluskey, DVM, MS, who is a National Equine Epidemiologist for the United States Department of Agriculture (USDA), Animal and Plant Health Inspection Service (APHIS), Veterinary Services, discusses vesicular stomatitis virus (VSV).

Episode 9 - Kent Allen, DVM, owner of Virginia Equine Imaging in Middleburg, Virginia, and co-founder of ISELP, discusses lameness diagnosis and ISELP.

Episode 8Roberta Dwyer, DVM, MS, DACVPM (epidemiology specialty), discusses biosecurity factors that equine veterinarians need to understand in order to best prevent and control disease spread on client farms.

Episode 7Martin Nielsen, DVM, PhD, DipEVPC, DACVM, one of the world’s leading equine parasitology researchers who is an associate professor at the University of Kentucky’s Maxwell H. Gluck Equine Research Center. Nielsen discusses equine parasites and the value of checking the efficacy of dewormers; the evolution of parasites and the science surrounding them; recent papers on parasite modeling; evaluating parasite control programs, combination deworming practices and the science behind them—good and bad.

Episode 6 - Peter Timoney, MVB, MS, PhD, FRCVS, the Frederick Van Lennep Chair in Equine Veterinary Science and a Professor at the Gluck Equine Research Center at the University of Kentucky. Timoney discusses equine infectious diseases, with a focus on factors that compromise normal pregnancy and the adolescent horse.

Episode 5 - Robert Holland, DVM, PhD, a private practice veterinarian in the Central Kentucky area focusing on respiratory problems and infectious diseases, talks about Respiratory Tips from the Field.

Episode 4 - Bonnie Barr, VMD, DACVIM, an internal medicine specialist at Rood and Riddle Equine Hospital in Kentucky, talks about common neonatal problems in this podcast.

Episode 3 - Tom Chambers, PhD, who heads the OIE Reference Laboratory for equine influenza at the University of Kentucky, discusses equine influenza.

Episode 2 - Tom Riddle, DVM, DACT (hon), a founding partner of Rood and Riddle Equine Hospital in Lexington, Kentucky, discusses breeding season procedures that he has developed over his decades-long practice.

Episode 1 - Steve Reed, DVM, DACVIM, of Rood and Riddle Equine Hospital in Lexington, Kentucky, discusses equine herpesvirus and equine herpesvirus myeloencephalopathy.

We invite you to download, listen to and rate previous and future episodes of Disease Du Jour on iTunes, SoundCloud, Stitcher or your favorite podcast platform.

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