Michael W. Dryden, DVM, MS, PhD, DACVM

Numerous factors have contributed to the increased range of these parasites

A dog in Tampa, Fla., had a severe flea infestation. An area flea-counting system was used to evaluate pet flea counts.

Parasitologist Dr. Michael W. Dryden addresses the distinction between initial speed of kill and residual speed of kill of flea adulticides; he explains the latter's importance in successful flea control in the household.

Why do fleas sometimes persist in an environment even when you think you and your client are doing everything right?

Use this form to gather a thorough history about flea control.

Flea allergy dermatitis is the most common dermatologic disease of dogs. As a veterinary technician, you need to understand why managing flea bites is so improtant for allergic dogs-so you can relate this important information to clients.

"The biggest myth that we deal with is that most people believe their dog or cat got fleas from direct contact with another pet.

Dr. Michael Dryden tackles the difficult to task of controlling flea infestations in cats through an intergrated approach to prevention.