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Lori, Feline Healthcare
Category: Cat
Satisfied Customers: 4131
Experience:  16 yrs health care mgmt & issues relating to cats, reproductive issues and multicat environments
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how cold does it have to be to kill fleas

Customer Question

what kind of temperature climate can kill fleas
Submitted: 9 years ago.
Category: Cat
Expert:  Lori replied 9 years ago.
You must have a 'hard' freeze in order for fleas and their eggs to be killed. In northern climates, fleas are slowed down in winter only if the humidity drops extremely low and stays low for days. Low humidity is evidenced by the statuc shocks you get when you touch door handles. Cold alone kills eggs, larvae and adult fleas only if the temperature drops below 30 degrees and stays there for days. While that may happen outdoors in northern states, indoors and in the Deep South, it never does. Fleas can be a bear to get rid of in the south.

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