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					Originally Posted by  Ellie May     That is why I alternate along with just being indecisive.   I never give Sentinel in the winter. It is a difference of $5 or $14, so....   
Ry takes Heartgard Plus bc it was free. He'll probably go on Interceptor soon - not because I think it's necessarily better for heartworms, but because it covers one more type of worm, so why not...    |  
 
  What does it cover that Heartgard Plus does not?