Читать книгу Farm Animal Medicine and Surgery - Graham R Duncanson - Страница 200

These bacteria will cause abortion but more commonly cause infertility. They are associated with transitory illness in cows which show a ‘milk drop’ syndrome. The condition is readily diagnosed on serology. It can be spread from infected urine and infected ditches, and also from infected sheep which are symptom-less carriers. It is a zoonosis. There are good vaccines available.