A holistic treatment that more than a few have told me is at this website. http:/www.ambertech.com It is called worm free. Heartworm live for approx 2 yrs in a dog. If the worm load is low, then you can treat by giving the dog a heartworm pill twice a month for, I believe 6 months. This is the least expensive way to go. As for giving the heartworm pill to a positive dog, read Dr Malernee's site.
That's why Johnny Depp had cited Keith Richards as an inspiration for his portrayal of Jack Sparrow in the Pirates of the Caribbean series, which made Richards the ideal choice to portray Jack's father Captain Teague in At World's End and On Stranger Tides.
Ian Lavender, who played young Private Pike, is the last surviving main Dad's Army cast member, but it is not yet clear if he will make a cameo appearance in the film. James Beck died in 1973, John Laurie in 1980, Arthur Lowe in 1982, John Le Mesurier in 1983, Arnold Ridley in 1984, Clive Dunn in 2012 and Bill Pertwee in 2013.