Dr. Card is interested in all aspects of reproduction in many species. She has special interests in equine reproduction, and she has ongoing research involving broodmares, stallions and foals. 

Her diverse research interests include the following: the pathogenesis of congenital hypothyroidism dysmaturity syndrome in foals, the use of computer-assisted ultrasound image analysis, low dose insemination, semen cryopreservation, fertility of frozen semen and breeding induced inflammation in the mare.