It has been reported in all continents from tropical and subtropical regions and is probably the most widely distributed cvbd canine vectorborne disease. Ehrlichia canis is an obligate intracellular bacterium that acts as the causative agent of ehrlichiosis, a disease most commonly affecting canine species. Ehrlichia is a bacterial infection that is transmitted through tick bites and can cause high fevers, rash and bleeding disorders in several different species. Ehrlichiosis is caused by several bacterial species of the genus ehrlichia. Treatment for ehrlichiosis involves the use of antibiotics such as tetracycline or doxycycline for a period of at least six to eight weeks. Canine ehrlichiosis and anaplasmosis are important tickborne diseases with a worldwide distribution. Factors associated with ehrlichia canis infection in dogs infested with ticks from huanuco, peru. Ehrlichia canis was first identified in 1935 in algeria. The acute phase generally develops after 24 weeks following the bite of an infected tick. Many tick preventives are available to prevent this disease from occurring in your dog. Ehrlichia canis definition of ehrlichia canis by medical.
Wide distribution canine monocytic ehrlichiosis cme is caused by ehrlichia canis. Ehrlichiosis canine chronic canine ehrlichiosis ehrlichia canis. Estudo retrospectivo a da erliquiose canina em belo horizonte the number of cases. Effective treatments are available and depending on the severity of the disease blood transfusions may be required.
These obligate intracellular bacteria infect and kill white blood cells the average reported annual incidence is on the order of 2. Canine ehrlichiosis, caused by infection with ehrlichia canis, may be presented in three difference phases. In many cases, the acute phase of the disease may go unnoticed by the. Ehrlichiosis is a tickborne bacterial infection, caused by bacteria of the family anaplasmataceae, genera ehrlichia and anaplasma. Greene, enfermedades infecciosas en perros y gatos. Effects of three constants temperatures on the free living phase of. Ticks like the brown dog tick rhipicephalus sanguineus, the lone star tick amblyomma americanum and the american dog tick dermacentor variabilis are the main transmitters of these pathogens. Ehrlichiosis is a tickborne disease primarily from the brown dog tick. This phase is usually characterized by fever, depression and lymphadenopathy. Protein and dna synthesis demonstrated in cellfree ehrlichia chaffeensis. Clinical signs can sometimes be missed and can vary from very subtle to severe, even possibly leading to death.
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