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Reply To: heartworm meds year round in the north?

December 9, 2014 at 11:42 pm #59717 Report Abuse
Dog_Obsessed
Member

On the Healthy Pets article it says that in most places heart worms can only develop in certain conditions, does anyone know if this is true, and if so, what conditions it needs to be? There are definitely still mosquitos in California, I got bitten the other day.