Bovilis^® Leptavoid^®-H Questions and Answers

For the active immunisation of cattle from 1 month of age against Leptospira interrogans serovar Hardjo and Leptospira borgpetersenii serovar Hardjo.

To reduce shedding of Leptospira interrogans serovar Hardjo in urine.

To improve herd fertility when infertility is diagnosed as caused by Leptospira Hardjo.

Can be used during pregnancy but should not be administered within two weeks of breeding.

The vaccine should not be administered within two weeks of breeding as this may reduce conception rates. This may be due to handling stress rather than a specific vaccine effect. Such effects are transient, are unlikely to be above 10% and are minor when compared with the potential overall increase in conception rates demonstrated in Leptospira Hardjo infected herds. However, it should be considered when timing A.I. especially with valuable semen.

The withdrawal period following the use of Bovilis Leptavoid-H is zero days.

Store and transport refrigerated (2 °C – 8 °C).

Protect from light. Do not freeze.

The shelf life of Bovilis Leptavoid-H is 8 hours once broached.

Safety and efficacy data are available which demonstrate that this vaccine can be administered to animals of 8 months of age or older on the same day, with Bovilis BVD vaccine. The two vaccines should be administered at separate sites.

For the concurrent use of Bovilis Leptavoid-H and Bovilis BVD vaccines in naïve animals, the primary vaccination course must be completed at least 4 weeks before the expected gestation, in order that foetal protection can be established.