Heartworm disease is not contagious, meaning that a dog cannot catch the disease from being near an infected dog. Heartworm disease is only spread through the bite of a mosquito. Inside a dog, a heartworm's lifespan is 5 to 7 years. 22 авг. 2019 г.
How do animals contract heartworm?
Dogs Get Heartworms from Mosquito Bites They live in the dog's heart, mate, and produce offspring called microfilariae that live in the dog's blood vessels. When a mosquito bites a dog, that mosquito may pick up some of the microfilariae and pass it on to other dogs. Heartworms can live five to seven years in a dog.
What is the route of transmission for heartworms?
Heartworms are only transmitted from animal to animal by mosquitoes. When an infected mosquito bites an animal, microscopic young heartworms enter into that animal's bloodstream. It takes six months for the infective larvae to mature into adult heartworms and reach the blood vessels of the lungs.
How do heartworms get into dogs?
Heartworms are transmitted from an infected animal to your healthy dog through mosquitoes. When an infected mosquito bites your dog, the mosquito can also pass on infective larvae. Over 6 to 7 months, these larvae develop into adult heartworms, causing severe health issues and potentially death.
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