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DEWORMING SCHEDULE

Schedule 1: Optimal for adults, healthy horses, and non-minis*

  • JANUARY 1st: Pyrantel (Strongid, Rotectrin 2)
  • FEBRUARY 15th: Moxidectin and Praziquantel (Quest Plus)**
  • MAY 15th: Pyrantel (Strongid, Rotectrin 2)
  • JULY 1st: Ivermectin (Eqvalan, Equimectrin, Rotectrin 1, Zimectrin)
  • AUGUST 15th: Pyrantel (Strongid, Rotectrin 2)
  • OCTOBER 1st: Ivermectin and praziquantel (Equimax, Zimectrin Gold)
  • DECEMBER 1st: Fenbendazole, larvicidal dose (Power Pack)** or if cost is prohibitive, substitute single
    dose fenbendazole (Panacur, Safeguard)

Schedule 2: Optimal for any horse over 12 months of age

Pyrantel Tartrate (Strongid C daily dewormer, generic) - Administered on a daily basis to prevent accumulation of parasites. Needs to be combined with Ivermectin and Praziquantel (Equimax) 2x per year (spring and late fall) or Ivermectin in the spring and Ivermectin and Praziquantel (Equimax) in the late fall Note: To qualify for the free colic insurance program, you need to buy all the dewormers through the veterinarian.

Schedule 3: Optimal for minis, horses sensitive to Quest, and pregnant mares (over 60 days)

  • JANUARY 1st: Pyrantel (Strongid, Rotectrin 2)
  • FEBRUARY 15th: Ivermectin and praziquantel (Equimax, Zimectrin Gold)
  • MAY 15th: Pyrantel (Strongid, Rotectrin 2)
  • JULY 1st: Ivermectin (Eqvalan, Equimectrin, Rotectrin 1, Zimectrin)
  • AUGUST 15th: Pyrantel (Strongid, Rotectrin 2)
  • OCTOBER 1st: Ivermectin and praziquantel (Equimax, Zimectrin Gold
  • DECEMBER 1st: Fenbendazole, larvicidal dose (Power Pack)** or if cost is prohibitive, substitute single
    dose fenbendazole (Panacur, Safeguard)

Schedule 4: Optimal for horses less than 12 months old

Start administering dewormers at 1 month of age. Alternate between Pyrantel (odd months) and Ivermectin (even months) every 4 weeks. At 6 and 12 months old administer Ivermectin and Praziquantel (Equimax).

Schedule 5: Optimal for horses on large pastures with minimal manure contamination (they do not have manure near where they eat)

  • JANUARY 1st: Pyrantel (Strongid, Rotectrin 2)
  • APRIL 1st: Ivermectin (Eqvalan, Equimectrin, Rotectrin 1, Zimectrin)
  • JULY 1st: Pyrantel (Strongid, Rotectrin 2)
  • OCTOBER 1st: Ivermectin and praziquantel (Equimax, Zimectrin Gold)

*Quest is not recommended in miniature horses, horses less than 12 months and sick or very old animals.
**Only available through a veterinarian

Having difficulty remembering to buy dewormers and give them at their recommended time?
Ask us about purchasing dewormers directly from LEVC. For only a slightly higher cost (which is offset by gas or shipping fees), you can have all your dewormers in advance, with the dates to administer them right on the box. Occasionally resistance occurs to a dewormer; therefore, we recommend that once a year a fecal exam is performed two weeks after the last deworming. Each product should be tested every 3-4 years.




Ledgewood Equine Veterinary Clinic, PC
5407A Arbor Rd., Ontario, NY 14519
Phone: 315-524-4879
Fax: 315-524-9037
EMAIL: mail@ledgewoodequine.com

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