EPIDEMIOLOGY OF GASTROINTESTINAL NEMATODES IN MIGRATORY SHEEP AND GOATS IN NORTH-WEST HUMID HIMALAYAN REGION

A study conducted on migratory sheep and goats of Himachal Pradesh rev ealed 94% infection with gastrointestinal nematodes. The intensity of infection in terms of monthly mean eggs per grant of faeces (EPG) reve aled in July-September with high intensity of infection with an overal l EPG ranging from 236 to 3 400 in sheep and 325 to 5 908 in goats, ma inly because of species of Strongyloides, Trichostrongylus, Haemonchus , Oesophagostomum. Bunostomum and Chabertia in the decreasing order of prevalence. The role of migratory sheep and goats in the: spread, and seasonal outbreak of parasite induced morbidity and mortality has bee n discussed.