Some of us are all too familiar with the spectacular skin inflammation in a flea - bite allergic pet but many people forget that
fleas drink blood and that lots of fleas can drink lots of blood.
Because
fleas drink blood, they also spread disease, not only between animals of the same species, but between species.
Not exact matches
Once on a pet, the
flea will start
drinking blood immediately and about eight hours later will start to mate with other
fleas on the pet.
The
flea drinks the lufenuron in the pet's
blood and then becomes unable to make chitin, the material composing the insect's exoskeleton.
Fleas thrive when living on a host, such as your dog or even you, and they bite their hosts and
drink the
blood, which allows for the transmission of various
flea - borne diseases.
Meanwhile,
fleas living on the pet have been happily
drinking the pet's
blood, mating, and laying eggs.
The
flea will actually bite a dog's skin in order to
drink blood, and its saliva causes much the same reaction as that of a mosquito: a raised red welt and intense itching.
Because
fleas drink your dog's
blood, a large number of them can cause anemia.
However, to live, adult
fleas need to
drink in either pet or human
blood.
Besides
drinking an animal's
blood and causing truly demonic itching (especially if your pet suffers from
flea allergy dermatitis),
fleas can bring on anemia and a host of diseases.
By the time a
flea has reached adulthood and is taking
blood meals from a pet, it has made all the chitin it needs and is not directly affected by the lufenuron it is
drinking in the pet's
blood.