| Summary: | A study was carried out to determine the prevalence and to identify the types of gastrointestinal nematode (GIN) of horses from various establishment. A total of 100 horses selected from various establishment. Fresh faecal samples were collected for McMaster for faecal egg count (FEC). Positive samples were cultured to determine the genus of the nematodes. The overall prevalence was 38% for GIN and most frequently strongyle. Establishment, age, deworming regime and dewormer were factors that influenced the prevalence of GIN in horse in the present study. GIN species identified included Trichonema spp. (53%), Ascaris sp. (5%),Tricostrongylussp. (21%),Strongyloides sp. (12%),Strongylus sp. (2%)and Poteriostomum sp. (2%). Adult horses aged 16-20 years old are the most affected with GIN. Horses treated with irregular deworming program and with oxfendazole prior to the study were highly infected with GIN. The present study will initially be of great significance to add the existing knowledge of the epidemiology of GIN under local management and climatic condition.
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