When, what type, and how often should I deworm my horse?

Recommended Solution: Knowing when to deworm your horse is best done on fecal egg counts. Otherwise, the standard deworming rotation based on the seasons is:

Early Spring

  • Moxidectin
  • or Pyrantel

Mid-Summer:

  • Ivermectin
  • or other

Fall*

  • Moxidectin
  • or Pyrantel

*After first frost.