How to Treat Complications of Castration in the Field

Tim G. Eastman, DVM, MPVM, DACVS

How to treat complications of castration in the fieldCastration remains one of the most commonly performed field surgeries by equine veterinarians. Complication rates vary among studies but remain relatively high with 10% to 28% of horses experiencing some form of complication and continues to be a major source of malpractice suits against equine veterinarians. Even with strict adherence to aseptic principles and prophylactic antibiotics, complications such as edema, seroma, hemorrhage, infection, and eventration are possible. A thorough understanding of how to recognize and manage these complications will oftentimes improve the ultimate outcome. While the preferred surgical approach will vary among individuals and the equipment that they choose, no method is without inherent risks.


This two-part course consists of one proceedings paper and the accompanying 2019 AAEP Convention presentation. The video has been split into two parts for ease of download and viewing; as one video part concludes, the next will unlock.

You must view all sections of the course before the quiz will unlock.

Course objectives:

With the successful completion of this course, you will gain strategies to deal with complications from 

  • excessive edema
  • seroma
  • infections
  • hemorrhage
  • evisceration

Continuing education credit:

  • 0.5 credit hours Medical, Non-interactive/Anytime, with a passing score of at least 70%

Approximate duration:

  • 35 minutes: read the paper, view the presentation, complete the quiz


  • Read the paper from the 2019 AAEP Convention proceedings, approximately 2,800 words
  • View the presentation from the 2019 AAEP Convention, 20 minutes
  • Complete quiz
How to Treat Complications of Castration in the Field00:31:30
View the presentation, part 1 00:12:30
View the presentation, part 2 00:09:00
Read the paper from the 2019 AAEP Convention proceedings 00:10:00
Pass the quiz to earn CE credit
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