Methoprene sprayed the coat once a month from midsummer to Christmas protect against up multiplication of fleas. The surrounding environment i.e. carpets and the sleeping place can also be treated with methoprene. Only 6 mg per day per m2 carpet prevents flea larvae from completing their development for the next 5 months. This treatment must be applied in mid-summer. You can also get the product in the form of tablet which the dog or cat must swallow once a month during the flea season.
In the spring, dogs and cats can bring bird fleas inside. Bird fleas can only survive inside the house for short periods of time, and consequently, control is rarely necessary. If the dog or cat suddenly is infested with fleas in April-May, be sure to determine the species before deciding if control is necessary.