If flea excrement is not found on the dog's body, an intradermal skin test can be done.
Not exact matches
If you suspect your puppy is harboring unwanted guests, wash her in a bathtub and rub your hands up and down her coat to look for
flea «dirt,» dark dots that are actually
flea excrement.
This is
flea excrement, and even
if you don't see
fleas, this is a sign that they are present.
If you do this over a clean white surface such as a large piece of white paper, any
fleas or «
flea dirts» (
flea excrement consisting of digested blood) will be deposited onto the surface.
However,
if the flecks are
flea excrement, they will turn red in about 60 seconds because they contain dried blood and will be rehydrated by water.