Mild inflammation of uterus produces a hostile environment for fetus starting 50 to 60 days after breeding. Late abortions rare. Thus most abortions early before rancher will notice. Older bulls carrier for life. Cows shed organism up to 150 days and a few cows carry a calf to term and are still infected.
Vaccine is available for use before breeding season.
Sell carrier animals. By tested bulls. Avoid buying cull cows. Neospora spp . Newly emerging disease Cows do not show symptoms.