Originally Posted by Phly
Go ahead and do it, won't hurt. It'll be a different ingredient. We've done every two weeks on new horses before, of different wormers and never had an issue.
You need to rotate wormers anyways so I personally think you'll be just fine.
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Ok thanks! I have an older guy and I just wanted to make sure I wasnt going to hurt him by worming too soon! And Yup I do rotate I just never thought about tapeworms before. Ex trainer wasnt very informative.