Hematologic and IgG responses of heifers experimentally infected with the agent of epizootic bovine abortion.

Background: Epizootic bovine abortion (EBA) is a tick-transmitted abortive disease of beef cattle in the western United States. Infected cattle do not have clinical signs until abortion occurs, usually within the last trimester of gestation. There is little information on the hematologic response of the dam following infection.