I know all this as my female that I was using ivermec on showed a "slight" possitive. Vet did not want to treat as these could have been new microfilariae. So, he said to just keep her on Heartguard and see how things are in six months.

What some folks are discussing and worried about are ...

Is anyone else having heart worms problems.
this is the second time my male lab has tested postive in a year.
Heart guard is not working for me.I have to try something else.
does anyone on this site use Advantage Multi?

Cheeko,

I would advise you to give J. Paul Jackson at Lone Oak Retrievers ...

Spoke to J Paul for over an hour last night. Very nice guy who seemed to know more than my vet about this. I am going to talk to another vet about what he told me before I draw a conclusion. Will keep you posted.

Jeff,

he called me back the day after Christmas from a duck blind. We were interupted by shooting several times, so I asked that he call me back after the holidays. Played phone tag a little since I have been out of pocket since.

cdwyer,

I took your advice and did a search of this site, which in turn led me to another. Based on what I found out I am putting off treating my dog for at least a couple of months. I also tried to call J Paul Jackson. It appears that he is the man to talk to on the subject? Left a message and ...

Hi folks,

I am new to this forum, and fairly new to the world of duck dogs (but not duck hunting). Right now I really need some advice from somebody with experience. My three year old yellow lab just tested positive for heartworms. The rub is that this dog has been on Interceptor since the day I ...