01883cab a2200277Ia 45 0 52130 52130 u199439 SIRSI 101222s2004 ua ss b eng d EAL eng ara ART AVMJ V50 No101 15 Abdelatif, M. M. 1784 Assiut veterinary medical journal, 2004 v. 50 (101) [electronic resource]. Escherichia coli associated with swollen head syndrome in broiler chickens [electronic resource]. إيشيريشيا كولاي المصاحبة لظاهرة تورم الرأس في دجاج التسمين.‪ p.188-195. Includes references. A total of 150 samples were taken from five broiler chicken flocks showing swollen head syndrome between 2nd and 6th weeks of age in Dakhlia governorate, where the samples were taken frm apparently healthy as well as clinically diseased chickens. Bacteriological examination of the total number of collected samples revealed the isolation of E. coli with percentage of 78.7% where the isolation from apparently healthy and clinically diseased with percentage of 72.0% and 85.3% respectively. Serological identification of the isolates revealed that the serotype O2 (35.6%), 078 (30.5%), 05 (20.3%) and untyped strains (13.6%). By using antimicrobial agents, E. coli isolates were more sensitive to enrofloxacin, gentamycin, erythromycin, cefotaxin and streptomycin. Key words: Escherichia coli, swollen head syndrome, broiler chickens. Summary in Arabic. Escherichia coli. 120 Broilers (Chickens) Diseases. 1785 Broilers (Chickens) Virus diseases. 1786 Assiut Veterinary Medical Journal. 2004.v.50(101) 1012-5973 nnas u181356 http://nile.enal.sci.eg/EALE/2004/AVMJ/5004/101/188.pdf Full Text Article. AR lcc