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when to start heartworm regiment?

Posted: Tue Jan 06, 2009 3:38 pm
by Kevin Dowell
what is the proper age to start a heartworm preventative schedule?

Is this bullet proof.............can dogs still get heartworms when on heartworm preventative meds?

Re: when to start heartworm regiment?

Posted: Wed Jan 07, 2009 1:21 pm
by green river
I start at 6 months. Never had a problem with dogs getting heartworm while on meds, but I've heard of it happening.