Seasonal Prevalence of Oesophagostomum sp. in Goats and Sheep from Kanpur

A total of 27948 goats and 5028 sheep were studied during the year 2000-2005 in different areas of Kanpur. On conducting microscopic examination of faecal samples and post-mortem examination of these animals aged between 1-2 years and materials collected from the butcher houses, meat and mutton shops; two different species of Oesophagostomum (Oesophagostomum colombianum and O. venulosum) were recorded in 22 goats and 31 sheep. Year wise infection of these species were also recorded. Seasonal infection and severity of infection both were found higher in rainy season in comparison with winter and summer season. Infection of Oesophagostomum colombianum was reported 0.05% in goats and 0.39% in sheep, whereas for Oesophagostomum venulosum it was 0.028% in goats and 0.218% in sheep.