E. Coli

List of Figures
Figures Page
Fig.(1)Tube lactose fermentation using phenol red indicator
(yellow in positive test but faint red for control medium)…..…….49
Fig.(2)Xylose lysine decarboxylase (XLD)medium, only in the
fourth tube (right side) the isolate fermented sugars producing
yellow colour, no H2s was produced……….……………………..53
Fig.(3)Triple sugar iron agar(TSI), third and fourth tubes(right
side),Acid slant(yellow) over Acid butt(yellow) no H2S. with
gas in the third tube. First and second are control…… ………..…54
Fig.(4)Citrate negative E.coli isolate……………………………...56
Fig.(5)Pathogenicity lesions showing congested liver and peri-
charditis after challenge with 5.8X105 fresh E.coli culture..……..57
Fig.(5)Pathogenicity lesions showing congested liver and
Pericharditis………….……..…………………………….……..…57
Fig.(6)An isolate was sensitive to gentamycin, ciprofloxacin
and nitrofurantoin..……………………….………………….…….58
Fig.(7)An isolate was sensitive to ciprofloxacin, amikacin
and gentamycin…………….……………………………..……….59
Fig.(8)Sensitivity percentages of antimicrobials against broiler,
one day old chicks and layer Isolates…………..…………………75