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Young Horse Deworming Protocol

Foals and young horses do not have the robust immune system of an adult horse and therefore are uniquely vulnerable to equine parasites. Additionally, we are much more concerned about ascarids in foals than in adult horses. The following protocols are designed to combat these threats, and deworm these young animals more frequently than adult horses.


(1 month of age)
Double dose Fenbendazole
(3 months of age)
Double dose Fenbendazole
(5 months of age, just prior to weaning)
Double dose Fenbedazole or Ivermectin or Pyrantel Pamoate
pending outcome of FEC
NOVEMBER Ivermectin/Praziquantel

FEC= Fecal Egg Count

Note 1: Weight tapes should be used to calculate appropriate dosages for foals. Please consult your veterinarian if you need assistance.

Note 2: If your foal is born early in the season, an additional deworming may be added prior to weaning.

Yearling and Two Year Old Deworming Protocol

Ivermectin or Double dose Fenbedazole pending outcome of FEC
Ivermectin or Pyrantel Pamoate or Oxybendazole Ivermectin or Pyrantel Pamoate or Oxybendazole Ivermectin/Praziquantel


Deworming Compound Brand Name
Ivermectin Zimectrin, Eqvalan
Moxidectin Quest
Pyrantel Pamoate Strongid
Oxybendazole Anthelcide
Moxidectin/Praziquantel Quest Plus
Ivermectin/Praziquentel Equimax, Zimectrin Gold