ARCHIVED - 2009 - Preliminary Results

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Figure 16. Temporal variation in resistance to selected antimicrobials in Escherichia coli isolates from chickens; Abattoir Surveillance, 2003–2009

ATM	2002	2003	2004	2005	2006	2007	2008	2009
ATM	40	153	130	220	167	180	170	171
Ampicillin	0.325	0.411765	0.430769	0.381818	0.431138	0.388889	0.364706	0.432749
Ceftiofur	0.1	0.169935	0.253846	0.204545	0.209581	0.261111	0.2	0.28655
Gentamicin	0.2	0.150327	0.115385	0.113636	0.083832	0.111111	0.076471	0.116959
Nalidixic acid	0	0.039216	0.030769	0.045455	0.035928	0.022222	0.035294	0.046784
Streptomycin	0.525	0.522876	0.530769	0.431818	0.335329	0.4	0.435294	0.450292
Tetracycline	0.65	0.69281	0.553846	0.577273	0.51497	0.572222	0.505882	0.438596
Trimethoprim-sulfamethoxazole	0.075	0.078431	0.115385	0.086364	0.095808	0.044444	0.117647	0.093567

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