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Quebec - April 2021

Anaplasma phagocytophilum case in a horse in Quebec, April 2021

Réseau équin du ministère de l’Agriculture des Pêcheries et de l’Alimentation du Québec

A case of anaplasmosis was confirmed in a mare from the Estrie region of Quebec. The mare presented at the end of April 2021 at the University Veterinary Hospital Centre (CHUV) for lethargy, decreased appetite and fever. A blood test confirmed the presence of the bacterium Anaplasma phagocytophilum, responsible for anaplasmosis. This bacterium was also found in an Ixodes type tick found on the mare. The mare had not travelled so the infection is thought to have been acquired locally. The fever resolved after antibiotic treatment. Anaplasmosis is a rare disease in Quebec. It is transmitted by ticks and affects horses, dogs and humans.

  • RAIZO Avis de vigilance_Anaplasmose_chevaux

Anaplasmosis in ruminants is an infectious disease of the red blood cells caused by a bacterium commonly transmitted by ticks.

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