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Ehrlichia canis (E. canis) is the most common rickettsial species involved in ehrlichiosis in dogs, but other strains of the organism will occasionally be found. Because of its origin in military dogs in Vietnam, it has also been called tracker dog disease and tropical canine pancytopenia.
Canine ehrlichiosis is usually caused by the rickettsia Ehrlichia canis, although other types of Ehrlichia are sometimes involved. (Rickettsiae are a specialized type of bacteria that live only inside other cells.) Carried by ticks, the organism infects a certain type of white blood cell (called monocytes) and causes fever and other signs.
4 lut 2015 · What clinical signs are associated to Ehrlichia spp. and Anaplasma spp. infections in dogs? Ehrlichia canis. Clinical signs of an E. canis infection can be variable, depending on the strain, the immune response of the dog, and the presence of concomitant infections with other tick- or flea-borne pathogens.
15 sie 2005 · Ehrlichia canis Infection (also Called Canine Monocytic Ehrlichiosis) Brown dog tick. Photo courtesy of CDC. Ehrlichia canis infection is a worldwide disease. In the U.S., it is spread by the bite of the brown dog tick (Rhipicephalus sanguineus).
Ehrlichiosis is an infection caused by obligate, intracellular bacteria that primarily affect cells of the immune system in dogs, cats, and people. In the past, the causative organisms were classified in the genus Ehrlichia on morphologic and ecologic grounds.
Bacteria appear intracytoplasmically in clusters called morulae (Figure 1) and can be divided into three classes based on whether they infect mononuclear cells, granulocytes, or thrombocytes. Ehrlichia canis is the species most often associated with canine ehrlichiosis, but other species also cause natural infection.
7 sie 2024 · Ehrlichia canis (E. Canis) is caused by a bacterium that belongs to the genus Rickettsia. E. canis is the most common species involved in the disease in canines, and dogs can only be infected when they are bitten by infected ticks. The disease cannot be passed between dogs.
