Spirovac, POM-VPS (Fridge)

Product Description

For active immunisation - of cattle to reduce kidney colonisation and shedding of Leptospira borgpetersenii serovar Hardjo type hardjobovis to the extent that no viable organisms can be detected by culture in the urine of vaccinated animals after challenge; a 3 weeks onset of immunity and 12 months duration of protection have been demonstrated by challenge with Leptospira borgpetersenii serovar Hardjo type hardjobovis. - of cattle persistently infected with Leptospira borgpetersenii serovar Hardjo type hardjobovis: to reduce urinary shedding of Leptospira borgpetersenii serovar Hardjo type hardjobovis without clearance of renal colonisation; this effect appears 4 weeks post vaccination and its duration is unknown.The epidemiological significance of the reduced shedding has not been demonstrated.he vaccination may not prevent abortion in cows in which placental infection has already occurrednn 

View other products in Products »