Читать книгу Farm Animal Medicine and Surgery - Graham R Duncanson - Страница 206
Rift Valley fever
ОглавлениеThis viral disease caused by a bunyavirus is found in Africa and the Middle East. The main method of spread is by Aedes mosquitoes. The abortion rate can be 100%, with 10% of adult cattle dying, and showing icterus and pyrexia. Diagnosis can be confirmed with serum and heparanized blood that show high titres and by virus isolation. There is no treatment but there is a vaccine available.