Studies on pasteurella multocida of birds in Egypt

biochemical study was made on 200 strains of p’ast-eurel1a Qlliltocida of avian origin. It was demonstra-ted that 193 o£ these isolates could be divided into three groups designated,l, 11, and 111. 97 (97%)isolatewere grouped as group I. All the ducks isolate were grouped as group 11 ( 48 out of 50 isolates; 96% ). 35out of 50’(70%) turkey isolates belonged to group IIIwhile 13 (26%) belonged to group 11. This was accord- ing to th~ir fermentative action on arabinose, mannitol and maltose p- The study showed that the fermentati v eaction on arabinose was a stable factor in the fermen-