What is the agent that causes equine granulocytic ehrlichiosis?

This disease is caused by the rickettsial agent Anaplasma phagocytophilum, which is found in the bloodstream after infection is transmitted by tick bite.

What is equine Ehrlichia?

Equine ehrlichiosis is a seasonal disease of horses first reported in 1969. Clinical signs in horses include high fever, depression, partial hypophagia, anorexia, limb edema, petechiation, icterus, ataxia, and reluctance to move.

What causes anaplasmosis horses?

Equine granulocytic anaplasmosis is a febrile disease of horses caused by the tick. Ticks are large mites and thus are arachnids, members of the subclass Acari… read more -transmitted bacterium Anaplasma phagocytophilum. The disease can produce a high fever, which is responsive to tetracycline-class drugs.

What is the treatment for anaplasmosis in horses?

Treatment of Anaplasmosis in Horses If your horse is diagnosed with anaplasmosis he will be treated with antibiotics (tetracycline or doxycycline) and anti-inflammatory (phenylbutazone or banamine) medications. Initially, medications may be given intravenously and then administered orally.

How do horses get Potomac?

Potomac Horse Fever (PHF) is caused by the bacteria, Neorickettsia risticii. Equids acquire the bacteria by consuming infected aquatic insects on pasture. The common culprit is the mayfly. The disease often occurs in late summer and throughout fall, when the insect load is highest.

What is horse purpura?

What is purpura hemorrhagica? Purpura hemorrhagica (PH) is when blood vessels swell due to an improper immune response. PH cases usually relate to prior bouts of strangles. Unlike strangles, PH can’t spread to other horses. There are reports that some PH cases relate to other upper respiratory infections.

What is equine viral arteritis?

Equine Viral Arteritis (EVA) is a contagious viral disease in horses caused by Equine Arteritis Virus (EAV). Infection can go undetected by horse owners/breeders and in herds that were previously unexposed (naïve) abortion rates in pregnant mares can reach up to 70%.

What are the symptoms of Potomac fever in horses?

Potomac Horse Fever is a bacterial disease caused by the bacteria Neorickettsia risticii, which causes variable degrees (from mild to very severe) of fever, lethargy, poor appetite, diarrhea, mild colic, and laminitis in horses. It can can also infrequently cause abortion in pregnant mares.

Are ehrlichiosis and anaplasmosis the same thing?

Anaplasmosis and Ehrlichiosis are two closely related tick-borne bacterial diseases spread by the bite of infected ticks. Anaplasmosis, formerly called human granulocytic ehrlichiosis (HGE), is spread to humans by blacklegged deer ticks infected with the bacterium, Anaplasma phagocytophilia.