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 three inactivated H. somni isolates – from respiratory, reproductive and nervous tissue. Subcutaneous (SC) dose
is 2 ml followed by a second dose 2-4 weeks later. Annual revaccination with a single dose is recommended