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Heartworm threat for millions of dogs and cats not treated in the United States, experts say

According to a press release dated November 17, the American Heartworm Society (AHS) has recently issued new guidelines for the diagnosis, prevention and management of heart worm infections in dogs and cats. Although the immune system of a cat is more resistant to infection and disease of the heart-worm of a dog, it takes much less to a cat because of serious health problems. It is little comfort to cat owners, however, when you look at the actual statistics. AHS said that 61-90 percent of cats not exposed to drug-worm larvae from the heart will be infected, but almost 100 percent non-medicated dogs exposed will become infected. According to an article in the online magazine "guide dog owner," wired are parasites that infect primarily the right side of the heart of an animal, through a vein. Once found mainly in southern climates, heartworm disease is now a concern of pet owners nationwide. heartworm disease in dogs has been discovered more than a hundred years, it was first documented in cats in the 1920s. It has since been found in wolves, coyotes, foxes and other animals. Heartworms go through several life stages before the development of adults. The mosquito serves as a support of an infected animal to an uninfected. The mosquito ingests the larva of the worm's heart when it bites an infected dog or other animal and deposit the larvae into a host uninfected. When the larva in the new host appears as an adult, he moves into a vein on the right side of the heart of his host and reproduces thereafter. In one dog, the adult worms can reach 14 inches long, they live and breed in a dog or cat heart and pulmonary arteries. In heavily infected animals, numerous worms grow and fill the heart chamber. Tom Nelson, DVM and President of AHS, said the worm prevention of heart and new treatment guidelines recommended that pet owners have their dogs and cats annually tested for heart worm and use a worm heart all year round preventive medication. Individual veterinarians can have differing opinions on the need for annual tests if an animal is on a prevention plan throughout the year, however.In cats, less than six lines of the heart can cause serious problems because the heart of a cat and blood vessels are so small. An infected cat develops any difficulty breathing, chronic coughing or vomiting. In one dog, says the AHS, it generally takes 25 to 50 earthworms in such a cause of serious problems. However, the death of the heart worm disease can be sudden in dogs and AHS cats.The and most veterinarians say that heartworm disease can be virtually eliminated in pets, so pet owners implement a plan preventive treatment throughout the year. Heartworm preventive medications, which can be obtained by a veterinarian, working in erasing the last larval stage, by mosquitoes.Sources: Press "1-800-PetMeds Warns That More than 118 million U.S. Pets vulnerable to worm disease of the heart "http://www.prweb.com/releases/2007/11/prweb569630.htmArticle; http://www.canismajor.com/dog/hartworm.html