Detection of nasal bot fly larvae in slaughtered sheep of Nineveh governorate-Iraq

الملخص EN

This study aimed to defect and calculate infection rate of Oestrus ovis.

in sheep from Ninevah governorate, Iraq.The study examines the presence of oestrus ovis.

Larvae in heads sheep collected from march to may 2014.

Of 133 heads 72 (54.1%) were infested with oestrus ovis.

A total of 142 larvae were encountered in the infested sheep.

Thirty five (24.6%) of those larvae were identified as L1, 62 (43.7%) were identified as L2 and 45 (31.7%) were identified as L3, the general mean of intensity of larvae was( 2) larvae/ infested head..The older animals were mostly affected as compared to younger animals.

there was no significant difference between the number of infected male and female.

sheep with black colored head higher infestation than that of sheep with light colored head.