Some products contain an insect growth regulator (IGR) to prevent eggs from hatching as they are laid on the animal. Convenient, long-term prevention of egg hatch can be accomplished and administered orally to pets as a tablet. While flea eggs can be very resilient, there are still effective ways to kill them. |
Preventive flea control has been made possible by new product innovations and insights into flea biology. We now know that adult fleas (the biting stage) spend virtually their entire life on the pet, not in the carpet. Eggs are laid on the fur and fall off into carpeting, beneath furniture cushions, and wherever else the pet lays, sleeps or spends time. After hatching, the eggs transform into larvae, pupae, and eventually adults to renew the cycle.
Pet owners can break the cycle of flea development and prevent future generations by killing the eggs as they are laid on the pet, or by eliminating the egg-laying adults. The easiest way to do this is to take action before flea problems get out of control. Several products are available which are convenient and effective.
The "Pill" This product prevents flea eggs from hatching when administered orally to pets once a month at mealtime. Dogs are fed a tablet form, whereas cats are fed a liquid suspension mixed with their food. Different tablet sizes and suspension doses are prescribed according to the weight of the animal. When an adult female flea bites a treated dog or cat, the flea ingests the active ingredient (lufenuron) which then passes into her eggs and prevents them from hatching.
"Egg-Stopper" Collars- Unlike conventional flea collars, these contain an insect growth regulating ingredient (methoprene or pyriproxyfen) which prevents egg hatch for several months. Pet owners should carefully read the "active ingredients" panel on the package of the collar to verify that methoprene or pyriproxyfen are present.Once installed, the egg-inhibiting substance releases from the collar and rapidly distributes over the fur of the entire animal, killing flea eggs on contact. This breaks the life cycle and infestations never become established. The methoprene and pyriproxyfen-impregnated collars are virtually 100% effective at preventing new flea eggs from hatching for at least 6 months (essentially season-long) on both dogs and cats.
On the other hand, lab experiments have shown that exposure to 3C (37F) for 1 day kills 65% of eggs. In addition, when the humidity is below 50%, flea eggs do not hatch.
Other Means to Manipulate Flea Eggs
Vacuuming - studies have shown that vacuuming can remove up to 90% of flea eggs in carpet, in addition to getting rid of much of the larvae and larva food. Vacuuming should be a part of any flea control measure, so long as you remember to dispose of the bag afterwards. Otherwise, the fleas will just continue to live within the vacuum bag. Flea Comb - a flea comb can be used as another natural way to remove flea eggs. The flea eggs will get caught in the teeth of the comb. This, combined with other methods can help get rid of flea eggs. Washer/Dryer - washing and drying clothing or bedding will kill flea eggs. The water from the washer should drown most of the flea eggs. Also make sure to dry on the hottest setting, as the heat will kill any remaining flea eggs. Sentinel for Cats - the active ingredient in these tablets prevents flea larvae from being able to break out of the egg. The essentially blocks the life cycle at the early stages and prevents fleas from developing into adults.
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