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Vaccine offers hope in fight against major chicken disease
The recombinant vaccines have potential to be more cost-effective and respond to emerging new virus strains.
Researchers test effectiveness of recombinant virus vaccine

Researchers have developed a new vaccine strategy that could help chickens in the fight against infectious bronchitis.

Current vaccines that protect against infectious bronchitis guard against some strains of the virus, but not others. Scientists believe these failures are associated with differences in the spike protein - the protein which enables the virus to attach to and enter cells - between strains of the virus.

Writing in the Journal Of Virology, researchers describe how they tested a new approach using a specialist type of vaccine, known as recombinant virus vaccine. These vaccines use harmless or weak versions of a virus or bacteria to introduce microbes into cells into the body.

The team used recombinant viruses with different spike proteins as vaccines to build two versions of a harmless virus. They found that the vaccine offered partial protection against infectious bronchitis virus, but further research is needed to develop a more robust vaccine.

Researchers say the recombinant vaccines have potential to be more cost-effective and respond to emerging new virus strains. The next step will be to develop a vaccine that remains harmless but induces a stronger immune response.

Professor Lonneke Vervelde, who led the study at the University’s Roslin Institute, said: “There is a real need to develop new vaccines against infectious bronchitis that protect against multiple strains and offer rapid responses. We are trying to make a vaccine that offers broad protection, but further research is needed to develop a more robust vaccine.”

Dr Erica Bickerton at the Pirbright Institute, who also took part in the study, said: “Our research hopes to develop more cost-effective and efficient commercial vaccines that are capable of protecting chickens against this serious disease.”

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Practices urged to audit neutering data

News Story 1
 RCVS Knowledge has called on vet practices to audit their post-operative neutering outcomes.

It follows the release of the 2024 NASAN benchmarking report, which collates data from neutering procedures performed on dogs, cats and rabbits.

The benchmarking report enables practices in the UK and Ireland to compare their post-operative outcomes to the national average. This includes the rate of patients lost to follow-up, which in 2024 increased to 23 per cent.

Anyone from the practice can submit the data using a free template. The deadline for next report is February 2026.

Visit the RCVS Knowledge website to complete an audit. 

Click here for more...
News Shorts
RCVS pays tribute to well-loved equine vet

The RCVS and the Riding Establishments Subcommittee has paid tribute to well-loved veterinary surgeon and riding establishment inspector, Rebecca Hamilton-Fletcher MRCVS.

Linda Belton MRCVS, RCVS President, said: "I, along with my colleagues on the RESC, RCVS Council, RCVS Standards Committee, as well as RCVS staff, was very saddened to hear of the sudden death of Rebecca, or Becca as we knew her, last week.

"She was a true advocate for equine welfare and in her many years on the RESC worked to continually improve the quality and consistency of riding establishment inspections, all in the interests of enhanced horse welfare and rider safety."