Larval cyathostominosis in horses in Ontario: an emerging disease?

The research article is about an emerging disease called larval cyathostominosis in horses in Ontario, reporting an increase in cases and summarizing the typical characteristics and symptoms in affected horses.

About Larval Cyathostominosis

• Larval cyathostominosis is a type of equine parasitic disease that involves the larvae of small strongyles or roundworms infecting the intestine.
• The disease can cause severe damage to the horse’s gut lining and cause significant health issues, like weight loss, diarrhea, and colic.

Timeline and Frequency of Cases

• The study recounts the evolution of this disease from 1991 to 2003. During this period, 24 cases of the disease were diagnosed postmortem in horses.
• A significant increase in cases was noticed from 2001 to 2003, during which 15 cases (approximately 63%) were reported.

Time of Year for Cases

• The cases occurred from September to May, indicating that disease occurrences are not limited to a specific season but may peak between October and December.

Age of Affected Horses

• The median age of the affected horses was 12 months, implying that young horses are particularly susceptible to this disease.

Clinical Signs and Findings

• Common clinical signs associated with this disease include diarrhea, colic, and weight loss. These symptoms suggest a significant impact on the overall health and quality of life of affected animals.
• Consistent laboratory findings in affected horses were hypoalbuminemia and microcytosis, signifying decreased levels of albumin in the blood and smaller than normal red blood cells, respectively.

Understanding this disease better and identifying its increasing occurrence in Ontario’s horses is essential for developing appropriate prevention and treatment strategies.