| Abstract: |
In this study a total of 295 Esc- herichia.; eoli, isolates could be obtained from faeces of apparently healthy chickens (150 isoiates) an~ from dead chickens showing typical P.M. picture of col±septicaemia mainly in the formof pericarditis, perihepatitisThe faecal isolates taken from 9 different ~:eds in two different ages; broilers and laying age, the breeds werebalady, Fayoumi, Nicoles, Dokki 4, Plymouth, Sussex, Istra-lorbs, Sina, Kornish. The septicaemic is:.Jla~cp.s taken from 19 chickens from the heart blood, liver, Iv~g, spleen, kidney, gall-bladder,intestine, bone marrow and brai.n .S.e:r:.oloE,ical typj.:Diagnostic sera used in this study were prepared local-ly using standard!. ~olistrains obtained from VeterinaryAcademy of )’,Ioscow and grouped in two polyvalents :Polyvalent one: (types 01 O2,o8, 0ll, 078).Polyvalent two:(types 022, 042, 053, 071).
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