I have two of mine on Sentinel (because they will not eat the Heartgard) and they have been on it for three years without any problems.
For my others I always used Heartgard and Advantage. Honestly, I have not been using Advantage for some time since I never see any fleas. Lucky me because I have friends who are always battling those things.
Last edited by ladyjane; 03-31-2011 at 02:03 PM.
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