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Equine Arteritis Virus (EAV) and Equine Viral Arteritis (EVA) in Horses
by Robert N. Oglesby DVM

Introduction

Equine arteritis virus (EAV) infection occurs throughout much of the world. Serologic surveys of horse populations indicate that exposure is common but clinical signs are uncommon so many infections are subclinical or inapparent. However the virus can cause acute "flu'-like" illness in horses including swelling of the legs. Most importantly EVA can induce abortion in mares after the 3rd month of pregnancy, death in foals, and persistentle infect the reproductive tract of stallions. The recent surge of shipped semen has many wondering if we are on the verge of a remarkable outbreak of abortion storms. Theories have been developed and tested as to why this disease happens episodically. This article discusses these issues, clinical signs, treatment and prognosis of this disease.

~Word Count: 2574 words (The average magazine page contains about 600 words);
~Last Updated: September 08, 2009;

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Discussions on Equine Viral Arteritis
	Titles	Subtopics	Posts	Updated
	Research Summary: Efficacy of Commercial ELISA tests	1	3	May 7, 08
	EVA Shedder Clarification	1	2	Mar 5, 08
	Isolating against spreading EVA	1	2	Jul 24, 07
	EVA Vaccine Clarification	1	3	Feb 10, 07
	Eva	1	11	Jan 11, 07
	EVA questions	1	2	Oct 12, 06
	Cardiovascular problem	1	7	Nov 26, 04
	EVA: can anyone point me to info on EVA?	1	2	Mar 11, 00
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Equine Arteritis Virus (EAV) and Equine Viral Arteritis (EVA) in Horses by Robert N. Oglesby DVM