Seroepidemiologic survey of antibodies to Ehrlichia equi in horses of northern California.

摘要: The prevalence of antibodies to Ehrlichia equi in horses from the foothill regions northern California and Sacramento valley (non-foothill area) was determined, using an indirect fluorescent antibody test. Horses had a higher seropositivity (10.4%) titer (1:10 1:80) than did those non-foothill (3.1%; less or equal 1:10). Fifty percent healthy on farm enzootic for E equi, suggesting that infection with can be subclinical. Six veterinarians surveyed diagnosed clinical 38 during 1985-1986 based signs observation inclusion bodies neutrophils blood smears.