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Heartworm prevention schedules

4515 Views 19 Replies 14 Participants Last post by  kafkabeetle
I know seasonal heartworm prevention relies upon typical weather, since heartworms can only survive in weather that is consistently above 55 degrees for some period of time (correct me if I am misrepresenting this). The schedule for my area is June-November. But since we've had a pretty mild winter, should I be amending this schedule in any way for the best protection? Any information or opinions on this are greatly appreciated.
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My dogs are on heartworm prevention meds year round. All I know is the mosquito's are going to be really bad this year and soon. My vets office has been sending reminders and facebook updates about the bad mosquito season and making sure people are giving heartworm prevention meds, as well as local rescues. I probably see at least a post a day about it. I'm in Michigan so not too far from you, and if it were me I would start now. We already have mosquito's hatching here.
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