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| I've been using generic ivermectin pour-on wormer for a number of years and am beginning to wonder if I should rotate wormers. I generally worm twice, first when the calves go on pasture in the spring, and a second time when they come to the feedlot in the fall. I prefer pour-on for simplicity and it looks like my choices are Eprinomectin, Doramectin, or Moxidectin. Are these effective alternatives or are they too close to ivermectin? I asked my vet but didn't get much of an answer. Second choice would be an injectable. | |
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rotation for ivermectin wormer
