Some morpho-biological studies on trypanosoma evansi in Laboratory and some domesticated animals

Tbe strain of TrYEanosoma evansi was obtained, from two naturally infected camels, belonging to Ein Sbams Police Station and bhe main Coast Guard Centreat Gabal-Asfar. Blood Smears were positive in one camel wbile tbe otber proved to be positive aftermice inoculation. 11- Blood from tbe infected oamels were inoculated intomice, tben tbe blood of tbe infected mice were sub- inoculated into dogs and donkeys. 111- Tbe morpbology of tbe T. evansi in camel and tbeexperimented animals were discussed as tbe following: 1- T. evansi of camel was 19.80 X 1.35 u wbile incase ef donkey, dogs and mice were 19.14 X 1.90, ” 21.70 X 2.10 and 19.60 X 1.50 u respectively.Tbree categories among tbe lengtb of trypanosomes were noticed, long, intermediate and sbort.2- Most of Trypanosomes sbowed tbat tbe kinetoplast was located subterminal, bowever in some speci- mens it was terminated or completely absent.3- Tbe waves of tbe undulating membrane ranged from-4 in case of camels. wbile in donkeys and mice were 0.0-5.0 and in dogs was 0 waves.