Dr. Wisniewski removes a botfly larvae from a dog, Nala, who is under sedation.
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Nala and The Botfly
Dr. Wisniewski removes a botfly larvae from a dog, Nala, who is under sedation.
Here’s a little more information about botflies:
“Cuterebra is a type of botfly whose larvae embed themselves as parasites in a dog’s skin, eyes, upper respiratory tract, or central nervous system (brain/spinal cord). People also call them “warbles” or “wolf worms” when they are in the larval stage.
Botflies can be found in the United States, Canada, and Mexico. In the northern U.S., the disease is seasonal, with most cases occurring in late summer and early fall when the adult flies are active. The typical hosts for botflies are rabbits and rodents, but dogs can get warbles if they come across the larvae in the grass, especially if they are hunting these animals or are near their burrows.
Botflies lay eggs on blades of grass or in nests, where they hatch. Dogs become infected with a botfly larva when they come into contact with a blade of grass that has a maggot on it. The dog's movement against the blade of grass stimulates the maggot to crawl onto the dog or passing host.
The small maggots crawl around until they find an orifice where they can enter (mouth, ear, nose, etc.). Then, they migrate through various internal tissues and, ultimately, make their way into the skin.
They establish themselves within a warble (a small lump in the skin). The mature maggots, which may be an inch long, then drop out of the host and form a pupa in the soil. Eventually, an adult botfly will emerge from the pupa and start the whole cycle again. Botfly larvae live in their host for 3-6 weeks.”
Sourced from petmd.com/dog/conditions/infectious-parasitic/c_multi_cuterebrosis
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