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Scientists discuss new approaches to equine grass sickness
“I genuinely feel we are at the beginning of the end of a century of research to find a solution to something that is the worst fear of every horse owner” - Kate Thompson.

The cause of the often-fatal disease remains a mystery. 

Leading scientists with no previous experience of Equine Grass Sickness (EGS) gathered in Edinburgh on Thursday (24 March) for a day exploring new approaches to the disease.

Experts from across the fields of veterinary immunology, genetics, and molecular biology met with an array of environmental scientists for a day of discussion and debate at the Moredun Research Institute.

The participants listened to talks from experts in EGS for more than eight hours before being grouped into their various disciplines to identify new areas of research.

Event organiser and Moredun’s principal investigator, Dr Beth Wells, said: “Bringing together so many disciplines in one room, for one day, to discuss an animal disease they have no previous knowledge of is unique. 

“Their input is a game-changer in terms of generating new areas of research or new technologies that can revive previous research. The Equine Grass Sickness Fund needs more funding to support research in new areas. We appeal to the industries that benefit from equine ownership and sport to provide the funding we need to bring an end to the misery of Equine Grass Sickness.”

Equine Grass Sickness is the most devastating disease affecting horses, but its cause remains a mystery.

Healthy sport, leisure and family horses might be discovered dead in their fields and stables without explanation. In some circumstances, horses develop depression, which rapidly leads to an inability to swallow and digest forage.

Kate Thompson, from the Equine Grass Sickness Fund, shared her optimism that  EGS can become a disease of the past.

“I am so grateful for Moredun Research Institute taking a lead with such an innovative and productive event,” she said. “I genuinely feel we are at the beginning of the end of a century of research to find a solution to something that is the worst fear of every horse owner.”

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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. 

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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."