Heartworm has been diagnosed in dogs in all parts of the world and is actually very common. This may be due to the fact that heartworm has a virtual 100% prevalence rate in unprotected dogs living in highly endemic areas. Heartworm, also known as Dirofilaria immitis, is transmitted by mosquitoes. The

A common parasite, fleas are found in almost every area of the world and can be found on dogs, cats, and many other mammals. They survive year to year even in cold climates because they live on pets, in buildings, and on wild animals. There are four stages to the flea life cycle. Eggs are laid by an

Ticks are the small wingless external parasites, living by hematophagy on the blood of mammals, birds, and occasionally reptiles and amphibians. Ticks are blood-sucking parasites that are often found in freshly mown grass, where they will rest themselves at the tip of a blade so as to attach themselves