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An Update on Equine Cushing’s Disease
The prevalence of PPID increases with age. Approximately 20% of equids (horses, donkeys, and mules) over 15 years and 30% of equids over 30 years of age are affected by the disease. Clinical signs can be obvious in advanced disease (long hair coat, poor shedding, laminitis, muscle wasting, immune compromise) but may be more subtle in its earlier stages (mild muscle atrophy, delayed healing, infertility, increased urination/drinking). Treatment of the disease involves life-long management with a medication (pergolide) and management changes but if managed appropriately, horses with PPID can have an excellent quality of life.
Dr. Wayne Burwash, DVM
Dr. Burwash graduated from the Western College of Veterinary Medicine in 1969 and from there interned in Equine Medicine and Surgery at Kansas State University from 1969 to 1970. Wayne came back to Calgary and joined a mixed large animal practice until 1977. He then set up his own practice and limited it to only horses. Wayne enjoys all aspects of equine veterinary medicine and in particular, reproduction involving embryo transfers. In the year 2000, Dr. Burwash was honored by the Alberta Veterinary Medical Association by being named as "Veterinarian of the Year". He has been a member of and served on committees of many Veterinary Associations throughout his years of veterinary medicine. Currently, Wayne is serving as a director of the Canadian Quarter Horse Association and the American Quarter Horse Association, the Chairman of the Equine Studies Advisory Committee for Olds College and a member of Equine Canada Medication Control Committee.
TOPIC SUBMISSIONS
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Archive
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Breeding
- Mar 6, 2018 Placentitis - a reason for monitoring your pregnant mare
- Mar 6, 2017 Breeding Your Mare
- Mar 20, 2015 Breeding Your Mare: A behind-the-scenes look at the science of mare reproduction
- Nov 19, 2014 Fall Seminar 2014: An Introduction to the World of Reproduction
- Nov 10, 2014 Stallion Semen Freezing
- Oct 16, 2014 Pregnant Mare Management
- Apr 24, 2014 Breeding Your Mare
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Dentistry
- Jan 25, 2020 EOTRH: a dental disease in the elderly equine
- Nov 25, 2019 Proactive Winter Horse/Donkey/Mule Care
- Jan 22, 2017 What happens to wild horses that don't get dental care?
- Apr 25, 2014 Equine Dentistry: Why Equine Veterinarians are Uniquely Qualified
- Apr 25, 2014 A Guide To Equine Dental Care
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Deworming
- Nov 25, 2019 Proactive Winter Horse/Donkey/Mule Care
- Feb 13, 2015 Nasty Little Parasites - An Update on Deworming
- Oct 16, 2014 Parasite Control Recommendations
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Emergencies
- Aug 29, 2024 Equine Emergencies
- Sep 1, 2021 Getting Back to Better by Dr. Crystal Lee
- May 8, 2016 First Aid Seminar - Part 2
- May 8, 2016 First Aid Seminar - Part 1
- Apr 15, 2016 First Aid Seminar Slides
- Oct 5, 2014 Brio - Heel Bulb Laceration
- Apr 27, 2014 Stone - Septic Tarsal Sheath
- Apr 27, 2014 Luke - Puncture Wound from a Nail in the Foot
- Apr 26, 2014 Roy - Carpal Laceration
- Apr 23, 2014 Be Prepared for an Equine Health Emergency
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Foals
- Apr 17, 2020 Fall Seminar 2019 - The Events of Normal Foaling
- Mar 6, 2018 Placentitis - a reason for monitoring your pregnant mare
- May 24, 2016 My Newborn Foal
- Apr 16, 2016 When Foaling Is Imminent
- Apr 6, 2016 When is my mare going to foal?
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Lameness
- Mar 14, 2023 Steve with no sole
- Nov 24, 2022 Regenerative Medicine and Orthobiologics
- Jun 1, 2022 Osteoarthritis by Dr. Katy White
- Jul 1, 2020 Recognizing and Managing the Club Foot in Horses
- Jul 1, 2018 Defying Age
- Jan 23, 2016 Fall Seminar 2015 - Update on the Lameness Locator
- Sep 13, 2015 Focus on Lameness - Imaging
- Sep 13, 2015 Focus on Lameness - Lameness Locator Demonstration
- Sep 13, 2015 Focus on Lameness - The Lameness Locator
- Sep 13, 2015 Focus on Lameness - General Lameness Exam
- Apr 11, 2015 Equine Lameness Evaluation
- Mar 25, 2015 Wireless inertial sensor based objective lameness evaluation - seminar slides
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Medicine
- Dec 27, 2024 Why Your Horse Needs Vitamin E
- Aug 29, 2024 Equine Emergencies
- Nov 24, 2022 Regenerative Medicine and Orthobiologics
- Jun 1, 2022 Osteoarthritis by Dr. Katy White
- Feb 1, 2022 Respiratory Disease Round-Up
- Nov 13, 2019 Strangles
- Dec 20, 2018 Understanding PPID
- Jul 1, 2018 Defying Age
- Feb 1, 2016 Fall Seminar 2015 - Equine Infectious Anemia
- Sep 16, 2015 Flor - Pituitary Pars Intermedia Dysfunction (PPID)
- Nov 21, 2014 Fall Seminar 2014: Pigeon Fever Updates
- Nov 4, 2014 Fall Seminar 2014: Common Conditions of the Equine Eye
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News
- Nov 24, 2022 Regenerative Medicine and Orthobiologics
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Podiatry
- Mar 14, 2023 Steve with no sole
- Jul 1, 2020 Recognizing and Managing the Club Foot in Horses
- Nov 12, 2016 Fall Seminar 2016 - A Snapshot of the Horse's Foot - Equine Podiatry
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Prepurchase Exams
- Nov 5, 2016 Fall Seminar 2016 - An Overview of Prepurchase Exams
- Apr 23, 2014 The pre-purchase exam: A wise investment
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Surgery
- May 14, 2025 Nodin - Incisor Wiring
- Sep 1, 2021 Getting Back to Better by Dr. Crystal Lee
- Sep 26, 2018 Colic Surgery
- Oct 14, 2015 Misty - Enucleation surgery
- Sep 21, 2015 Junior - Sarcoid removal
- Sep 8, 2015 Sugar - Skin Grafting
- Aug 31, 2015 Dan - Third Eyelid Removal
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Vaccines
- Nov 25, 2019 Proactive Winter Horse/Donkey/Mule Care
- Nov 13, 2019 Strangles
- Nov 5, 2016 Fall Seminar 2016 - An Update on West Nile Virus and Rabies in Alberta
- Feb 9, 2016 Fall Seminar 2015 - Vaccines
- Apr 30, 2015 Vaccination FAQ - What are common side effects of vaccination? What can I expect after my horse is vaccinated?
- Apr 28, 2015 Why We Vaccinate - Equine Herpesvirus (“Rhinopneumonitis”)
- Apr 24, 2015 Vaccination FAQ - Why are horses vaccinated for tetanus yearly, whereas humans are boostered every 5-10 years?
- Apr 23, 2015 Vaccination FAQ - Why is the Strangles vaccine intranasal? Isn’t there an intramuscular vaccine available?
- Apr 22, 2015 Rabies in Alberta—Should We Be Vaccinating Horses?
- Apr 21, 2015 Why We Vaccinate - Equine Influenza
- Apr 19, 2015 Vaccination FAQ - Potomac Horse Fever?
- Apr 18, 2015 Vaccination FAQ - Is it better to give multiple vaccines on one date, or split them into different visits?
- Apr 17, 2015 Vaccination FAQ - My horse needs his hocks injected, and while you are here, could we vaccinate him as well?
- Apr 16, 2015 Why We Vaccinate - Strangles
- Apr 14, 2015 Vaccination FAQ - Is it okay to ride my horse immediately before or after he or she is vaccinated?
- Apr 13, 2015 Why We Vaccinate - West Nile Virus
- Apr 12, 2015 Vaccination FAQ - Can I have my horse vaccinated if (s)he has a mild “cold?”
- Apr 11, 2015 Why We Vaccinate - Eastern & Western Equine Encephalitis (“Sleeping Sickness”)
- Apr 11, 2015 Vaccination FAQ - My horse is vaccinated—why did it still get a cold?
- Apr 9, 2015 Why We Vaccinate - Tetanus in Horses
- Apr 7, 2015 Vaccination FAQ - My horse doesn’t go anywhere—does (s)he still need to be vaccinated?
- Apr 6, 2015 What's in my vaccine?
- Apr 14, 2014 Vaccination Protocols
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Wellness
- Jun 1, 2022 Osteoarthritis by Dr. Katy White
- Feb 1, 2022 Respiratory Disease Round-Up
- Jan 18, 2022 Baled It! with Dr. Lauren Friedl
- Sep 1, 2021 Getting Back to Better by Dr. Crystal Lee
- Nov 25, 2019 Proactive Winter Horse/Donkey/Mule Care
- Dec 20, 2018 Understanding PPID
- Jul 1, 2018 Defying Age
- Feb 14, 2018 Sorting Through Supplements - how to tell if the supplement is worth buying
- Jan 8, 2017 Fall Seminar 2016 - Senior Horses - A Focus on the Care and Quality of Life of Older Horses
- Dec 8, 2016 Saying Goodbye: a discussion about euthanasia
- Jul 1, 2015 The Equine Eye by Dr. Kirby Penttila
- Apr 11, 2015 Equine Lameness Evaluation
- Oct 16, 2014 Forage Alternatives