Abstract:
Investigatibns carried out on the incidence of Oestrus ovis in Maiduguri, Nigeria revealed that 62.5% of the 4002 sheep heads were parasitised. Adult sheep infestation rate was (88. 1%) significantly (P < 0.05) higher than young sheep (43.5% ). Infestation rates were also significantly (P < 0.05) higher (83. 6%) in female than male (3 7. 8%) sheep. All ins tars of the larvae were encountered throughout the year The peaks of 1st, 2nd and 3rd stage larvae infestation were recorded during the month of September while the lowest levels were recorded in May.
