Heartworm are large roundworms that live in the rigth side of the heart and the blood vessels that supply the lungs.those worms can grow to a lenght of 15-30 centimetres. They can cause severe damage to the heart, lungs ,liver and cause obstruction of blood flow. Heartworn will even cause death.
Heartworm are spread by mosquitoes when a mosquitoes bites an infected animal and then bites your uninfected dog! Here how it goes...
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A private laboratory that conducts heartworm test for Ontario veterinarians reported 676 heartworm positive pets in 2008.up 280% from 2005. Clearly, pets are still very much at risk and pet owners should take the necessary precautions to protect them.
Heartworm may be easily prevented in southern Ontario Please,
Consult your veterinarian about diagnosis and prevention of heartworm disease