When a mosquito bites an infected animal (dog, cat, coyote, fox, wolf, etc) and takes a blood meal, the mosquito ingests
tiny microfilaria worms.
Heartworm tests can not show a positive result until
the tiny microfilaria reach 6 - 7 months of development.
Not exact matches
When the mosquito prepares bites a dog, L3
microfilariae enter the dog's skin through the
tiny wounds from the bite.
Heartworms are transmitted from one dog to another by mosquitoes, which pick up
tiny immature heartworms, called
microfilariae, when they bite an infected dog.
Tiny heartworm larvae are injected into the blood stream where they mature over the span of about 6 months until they reach adulthood in the veins of the pulmonary artery and lungs, where they reproduce and release
microfilaria into the blood for the mosquito to ingest and pass on.
Dogs with a very large number of
microfilariae (baby heartworms) can suffer a reaction if those
tiny parasites all die at once when given ivermectin.
Heartworm in Dogs: When a dog is bitten by an infected mosquito, the
microfilariae is deposited in a
tiny drop of mosquito saliva adjacent to the mosquito bite.
The mosquito bites the infected dog, ingests the
tiny heartworm
microfilaria, provides a host for the next stage of development of the parasite, then transfers the juvenile larvae to the bloodstream of the next dog she feeds on.
The female then begins to produce
tiny offspring, called
microfilariae.
Microfilariae are
tiny and require a microscope to be seen.