All handlers hear a lot about heartworm but few of us have had to deal with a dog that contracted it. In this episode of HITS K9 Radio host Jeff Meyer talks to Dr. Marcella Ridgeway about how dogs contract heartworm, how contagious it is to other dogs as well as treatment and prevention options that every police dog handler should know about. To contact Jeff Meyer, email him at [email protected] To find our more about HITS K9 Seminars, go to www.HITSk9.net