ARCHIVED - 2009 - Preliminary Results

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Figure 24. Temporal variation in resistance to selected antimicrobials in Enterococcus isolates from chicken; Retail Meat Surveillance, 2003–2009

ATM	British Columbia			Saskatchewan					Ontario							Québec
	2007	2008	2009	2005	2006	2007	2008	2009	2003	2004	2005	2006	2007	2008	2009	2003	2004	2005	2006	2007	2008	2009
	42	77	72	80	85	76	91	92	142	159	150	154	161	154	164	125	162	150	143	141	142	131
Ciprofloxacin	0	0	0.055556	0.0125	0.035294	0.026316	0.010989	0	0.007042	0	0.013333	0.006494	0.006211	0.025974	0.030488	0.016	0	0.013333	0	0.021277	0.007042	0.022901
Erythromycin	0.428571429	0.506494	0.458333	0.3875	0.364706	0.460526	0.67033	0.554348	0.478873	0.389937	0.446667	0.396104	0.397516	0.5	0.542683	0.656	0.462963	0.433333	0.468531	0.460993	0.570423	0.59542
Gentamicin	0.047619048	0.038961	0	0.025	0.047059	0.039474	0.032967	0.043478	0.056338	0.037736	0.033333	0.038961	0.080745	0.045455	0.079268	0.08	0.049383	0.073333	0.090909	0.113475	0.098592	0.099237
Lincomycin	0.75	1	1	0.857143	1	1	1	1	1	1	1	1	1	1	0.923077	1	1	1	1	1	1	1
Quinupristin-dalfopristin	0.5	0.428571	0.666667	0.714286	0.4	0.5	0.833333	0.5	1	0.769231	0.833333	0.571429	0.857143	0.5	0.461538	0.75	0.909091	0.615385	0.625	0.769231	0.888889	0.6
Streptomycin	0.261904762	0.38961	0.291667	0.2	0.258824	0.302632	0.395604	0.293478	0.28169	0.220126	0.186667	0.188312	0.242236	0.272727	0.243902	0.384	0.222222	0.233333	0.342657	0.361702	0.373239	0.351145
Tetracycline	0.80952381	0.753247	0.763889	0.9	0.764706	0.894737	0.857143	0.826087	0.880282	0.849057	0.9	0.831169	0.900621	0.876623	0.853659	0.88	0.864198	0.86	0.832168	0.879433	0.866197	0.832061
Tylosin	0.428571429	0.493506	0.458333	0.4	0.364706	0.460526	0.67033	0.554348	0.478873	0.402516	0.44	0.38961	0.391304	0.506494	0.542683	0.656	0.462963	0.426667	0.468531	0.460993	0.56338	0.59542

Due to quality control and other laboratory-based issues, results of Enterococcus isolates from the Maritimes are not presented in 2009 (n=89).

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