Equine Grass Sickness is a disease of horses, ponies and donkeys in which there is damage to parts of the nervous system which control involuntary functions, producing the main symptom of gut paralysis.
In December 2025 a seminar took place in Newmarket, supported by the National Stud, the TBA, Rossdales and Saracen Horse Feeds where speakers updated breeders on the latest research into this devastating disease which not only has a detrimental impact on horse welfare individually and collectively, but also on businesses, land and property values.
Dr Beth Wells, a Knowledge Exchange Specialist and Principal Research Scientist at the Moredun Research Institute, provides an update on the research into Equine Grass Research at the EGS seminar.

Equine Grass Sickness is a disease of horses, ponies and donkeys in which there is damage to parts of the nervous system which control involuntary functions, producing the main symptom of gut paralysis.
In December 2025 a seminar took place in Newmarket, supported by the National Stud, the TBA, Rossdales and Saracen Horse Feeds where speakers updated breeders on the latest research into this devastating disease which not only has a detrimental impact on horse welfare individually and collectively, but also on businesses, land and property values.
Professor Lee Innes and Anne Logan discuss what's being done around the research into EGS to advance understanding of the disease, improve treatment options and reduce incidents of the disease.

Equine Grass Sickness is a disease of horses, ponies and donkeys in which there is damage to parts of the nervous system which control involuntary functions, producing the main symptom of gut paralysis.
In December 2025 a seminar took place in Newmarket, supported by the National Stud, the TBA, Rossdales and Saracen Horse Feeds where speakers updated breeders on the latest research into this devastating disease which not only has a detrimental impact on horse welfare individually and collectively, but also on businesses, land and property values.
This presentation discusses the signs and management of Equine Grass Sickness as seen in East Anglia, and is given by Emily Lloyd MRCVS – Rossdales Ltd.

Watch the recording of the Thoroughbred Breeders’ Association's (TBA) annual December forum; Building Bloodlines; Broodmare Evaluation and Purchase.