Jose Linares, DVM, a diagnostician and technical services veterinarian at Ceva Animal Health, said pre-winter surveillance – including reverse transcription quantitative polymerase chain reaction (RT-qPCR) testing, sequencing and processing-age serology – can help veterinarians and producers validate current IBV immunization strategies and ensure they are relevant and effective.
Controlling IBV through vaccination requires knowledge of the circulating field strains. For this reason, surveillance is critical. Mark W. Jackwood, PhD, and Jose Linares, DVM, describe Ceva’s Scientific Support and Investigation Unit that uses real-time quantitative RT-PCR panels to rapidly detect multiple IBV types.
A broiler-immunization program centered on a live monovalent vaccine containing the Georgia 08 (GA08) serotype of infectious bronchitis virus (IBV) is showing benefits to protect broilers against the Delmarva/1639 (DMV/1639) serotype of IBV.
Turkey veterinarians and producers are increasingly turning to coccidiosis vaccines and using them in a rotation with anticoccidials in the feed as a standard component in their prevention programs. Kelli Jones, DVM, MAM, Ceva Animal Health, shares tips for successfully using coccidiosis vaccination.
Day-old birds immunized with vaccines for Georgia (GA) and Massachusetts (Mass) serotypes of infectious bronchitis virus (IBV) were shown to be protected against four other circulating IBV variants in a recent study.
A new vaccine-application approach shows advantages to help make on-farm, day-of-age vaccination easier to perform while increasing effectiveness.
Ceva Animal Health has started antigen production for an experimental autogenous vaccine to fight the emerging avian metapneumovirus (aMPV) disease.
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