E. Coli
E. Coli
E. Coli
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1/2(50%) Salmonella broiler isolates was sensitive to colistin,<br />
meanwhile Larkin et al.,(2004) who recorded activity percentage<br />
64.4% of colistin. Our lower results might be due to few obtained<br />
strains of salmonellae.<br />
1/2(50%) Salmonella broiler isolates was sensitive to<br />
doxycyclin. This result agreed Saleh (2007), who record 96.6%<br />
resistance percentage to doxycyclin. Kumar et al.,(2003) who reported<br />
resistance percentage 58.8% for doxycyclin, on the other hand, and all<br />
isolates were resistant to doxycyclin as reported by Hegazy (1991).<br />
Salmonella broiler isolates were sensitive to erythromycin. This<br />
result agreed with Kondrachi (1976) who mentioned that most strains<br />
were sensitive to erythromycin, neomycin, Similar result was obtained<br />
by Osman (1992) who reported that erythromycin sensitivity<br />
percentage was 73.8% ,meanwhile disagreed with Abbass (1993) who<br />
reported that erythromycin is not effective against E.coli.<br />
1/2(50%) Salmonella broiler isolates was sensitive to rifampicin<br />
this result agreed with that of Molla et al.,(1999) who found that only<br />
4 antimicrobials (gentamycin, kanamycin, rifampicin and<br />
sulphamethazole/ trimethoprime) were effective against Salmonella<br />
isolates.<br />
Salmonella broiler isolates were sensitive to streptomycin,<br />
meanwhile Kumar et al.,(2003) reported resistance percentage<br />
81
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