Some Morphological - Biological studies on Ovine Lige in Egypt And Their Control

Sheep of vta: ious br-ee ds and sexes under t he Egyptian environmental conditions hav e been inv6s-:’igated for the liG e infection! The present study has confirmed thct thisvaluable econ,-mc type of ruminants 1I;,0S Cl ns’t u r-a), host tomore than one species of lice clarifying Cl s Ing l.e b:i.ting aswell as two sucking types. The first appeared in a ~6~nrote of 46.27% mostly during 1I;,inter as 62!7% with prefe·-i rable body seats on the back, fll1k and shoulder. Si~ultan-eously, the big blood sue ki.ng t.ype was found to eX7_Bt in the ~6te ot 13!4l% mostly, during winter as 25.3% withth9 flank, he~d ond neck 6Spredilection seats. Moreover, the third comparatively SQcll blood sucking lice occurred in a mean rate of 37.6% mostly in winter as 60.1 % prefering the back, shoulder ~no flank!The morphological picture of the collected species have been criticolly studied in details after which theywere refered to Damalinia ~. Lino5nathus illLs andLinognathus afrieanus respectively, confirming th3 existence