OCCURENCE OF OESTRUS OVIS IN GOATS IN PALAKKAD, KERALA AND ITS SUCCESSFUL MANAGEMENT

OCCURENCE OF OESTRUS OVIS IN GOATS IN PALAKKAD, KERALA AND ITS SUCCESSFUL MANAGEMENT

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Oestrus ovis is a larviparous protelean fly whose larvae parasitize the nasal cavities and adjoining sinuses of sheep and goats.It is primarily a widespread infestation of sheep and rarely occurs in goat, camel, deer, reindeer, elk and ibex (Lapage, 1956; Das ngetikin.com and Bhatia,1994).The larvae elicit clinical signs of cavitary myiasis seen as seromucous or mucopurulent nasal discharge, frequent sneezing, incoordination and dyspnoea (Madhu et al., 2014).

The migratory larvae may also penetrate and erode dorsal turbinate bones, frontal sinuses and occasionally the skull bones thereby entering into the cerebral cavity, causing false gid (Taylor et al., 2007).In India prevalence of O.ovis has been reported in aptamil allerpro several places (Chhabra and Ruprah, 1976 ; Jagannath et al.

, 1989 and Allaie et al., 2016).Myiasis has medical and public health significance if the incidental host is man (Sreejith et al., 2010).

The present paper describes the occurrence of nasal myiasis from crossbred Malabari goats for the first time in Kerala and its successful medical management.