Equine grass sickness: epidemiology, diagnosis, and global distribution.

The research article discusses Equine grass sickness (EGS), a fatal neurodegenerative disease in grazing horses linked to toxins produced by the bacterium Clostridium botulinum, its clinical aspects, epidemiology, and distribution, as well as disease prevention methods.

Epidemiology and Distribution of EGS

• This study discusses EGS, a predominantly fatal disease in grazing horses, which affects their gastrointestinal tract. The impact on the digestive system results in colic (also known as acute grass sickness), weight loss, or dysphagia (chronic grass sickness).
• Although EGS is most common in Great Britain, it’s also found in some regions of mainland Europe. Typically, the disease primarily impacts young horses with pasture access, especially during the spring season.
• The researchers detail the global distribution of EGS, emphasizing its predominant occurrence within Great Britain and existence in specific regions in mainland Europe.

Association with Clostridium Botulinum

• The research provides substantial evidence that links EGS with type C toxins produced by the bacterium Clostridium botulinum.

Clinical Aspects of EGS

• The article explains the primary clinical signs of the disease, including colic, weight loss, and dysphagia. Evidence shows that these symptoms are due to the severe impact the disease has on the horses’ gastrointestinal systems.

Comparisons with Botulism

• The researchers draw comparisons between EGS and botulism, another disease caused by toxins produced by the bacterium Clostridium botulinum.

Disease Prevention

• Finally, the article considers advancements in the prevention of EGS, although it does not specify what these preventive methods entail.