Aids in the prevention of disease caused by Histophilus somni (Haemophilus somnus)
Helps protect calves and adult cattle against H. somni, a contributor to respiratory disease and the cause of thrombotic meningoencephalitis (TEME) and reproductive tract infection
Contains 3 inactivated H. somni isolates – from respiratory, reproductive and nervous tissue
Annual revaccination with a single dose is recommended