Bacterial Epidemiology and Antimicrobial Resistance : 2007 Veterinary Isolates Final Report- Accessible Version

Table 3. Distribution of MICs and Occurrence of Resistance by Animal Source among all Salmonella Isolates from Food Animals, 2007
Antimicrobial	Animal Source	%I	%R	95% CI	Distribution (%) of MICs (µg/ml)
Antimicrobial	Animal Source	%I	%R	95% CI	<=0.015	0.03	0.06	0.125	0.25	0.5	1	2	4	8	16	32	64	128	256	512	1024
Amikacin	Chickens	0	0	0.0-0.5						35.5	57.5	6.4	0.5
	Turkeys	0	0	0.0-1.7						18.1	67.9	12.5	1.1	0.4
	Cattle	0	0	0.0-1.1						12.3	60.8	25.3	1.4	0.2
	Swine	0	0.5	0-3.1						13.3	71.6	11.8	2.8	0	0	0	0	0.5
Gentamicin	Chickens	0.6	4.5	3.3-6.0					83.7	10	0.8	0	0.4	0.6	2.9	1.6
	Turkeys	4.1	12.9	9.3-17.6					66.4	14.8	1.1	0.4	0.4	4.1	7	5.9
	Cattle	0	1.6	0.7-3.4					63.8	33.3	1.4	0	0	0	0.7	0.9
	Swine	0.5	0.9	0.1-3.7					77.7	20.9	0	0	0	0.5	0.5	0.5
Kanamycin	Chickens	0	3.4	2.4-4.8										96.1	0.5	0	0.2	3.2
	Turkeys	1.1	16.2	12.1-21.3										82.3	0.4	1.1	1.1	15.1
	Cattle	0	7.7	5.5-10.7										91.8	0.5	0	0.5	7.3
	Swine	0	7.1	4.2-11.7										92.9	0	0	0	7.1
Streptomycin	Chickens	N/A	19.3	16.9-21.9												80.7	16.7	2.6
	Turkeys	N/A	34.7	29.1-40.7												65.3	22.1	12.5
	Cattle	N/A	19.8	16.2-23.9												80.2	2.5	17.3
	Swine	N/A	27	21.2-33.6												73	18	9
Ampicillin	Chickens	0	17	14.7-19.5							80.4	2.3	0.2	0.1	0	0.1	16.8	0.1
	Turkeys	0	36.9	31.2-43.0							60.9	2.2	0	0	0	0	36.9
	Cattle	0	20	16.4-24.1							77	2.7	0.2	0	0	0	20
	Swine	0	18	13.2-24.0							75.4	5.7	0.5	0.5	0	0.5	17.5
Amoxicillin/Clavulanic Acid	Chickens	0.2	15.6	13.4-18.0							82.2	0.7	0.2	1.1	0.2	1.5	14.1
	Turkeys	17.3	11.1	7.7-15.6							60.5	2.6	0.4	8.1	17.3	2.6	8.5
	Cattle	1.6	15.5	12.3-19.3							76.5	2.7	1.4	2.3	1.6	3.2	12.3
	Swine	11.4	3.3	1.5-7.0							80.6	0.9	0	3.8	11.4	0.9	2.4
Ceftiofur	Chickens	0.4	15.4	13.2-17.8				0.2	4	54.5	25.4	0.1	0.4	2.6	12.8
	Turkeys	0	11.1	7.7-15.6					0.7	43.9	43.5	0.7	0	1.5	9.6
	Cattle	0.9	15.5	12.3-19.3				0.2	1.8	39.6	41	0.9	0.9	2.1	13.4
	Swine	0.9	2.8	1.1-6.3						40.3	55	0.9	0.9	0.5	2.4
Ceftriaxone	Chickens	10	0.4	0.1-1.1					84.2	0.2	0	0	0.5	4.7	8	1.9	0.4
	Turkeys	8.1	0	0.0-1.7					88.6	0.4	0	0	0	3	5.5	2.6
	Cattle	13.4	0.7	0.2-2.2					82.9	0.7	0.2	0.2	0.5	1.4	8.9	4.6	0.7
	Swine	1.9	0.5	0-3.1					96.7	0	0	0.9	0	0	1.9	0	0.5
Cefoxitin	Chickens	2.3	13	11.0-15.3						0.2	12.3	45.5	22.2	4.5	2.3	9.8	3.2
	Turkeys	3	9.2	6.2-13.4							7	49.8	25.1	5.9	3	4.4	4.8
	Cattle	1.4	15	11.9-18.8						0.2	6.6	34.2	33.3	9.3	1.4	3.9	11.2
	Swine	0	2.8	1.1-6.3							2.8	40.3	44.1	10	0	1.9	0.9
Sulfonamides	Chickens	N/A	10.4	8.6-12.5											38.8	45.7	4.9	0.1	0.1	10.4
	Turkeys	N/A	25.5	20.5-31.2											17	46.9	9.6	0.7	0.4	25.5
	Cattle	N/A	21.6	17.9-25.8											25.1	42.6	10.5	0.2	0	21.6
	Swine	N/A	30.8	24.7-37.6											35.1	27	6.6	0	0.5	30.8
Trimethoprim/Sulfamethoxazole	Chickens	N/A	0	0.0-0.5				88	10	1.8	0.2
	Turkeys	N/A	1.1	0.3-3.5				77.9	17.7	1.1	1.1	1.1	0	1.1
	Cattle	N/A	3	1.7-5.2				73.1	18.7	4.1	0.9	0.2	0.7	2.3
	Swine	N/A	1.9	0.6-5.1				69.7	23.2	3.3	1.9	0	0	1.9
Chloramphenicol	Chickens	0.4	1.8	1.1-2.9								5.1	58	34.6	0.4	0.1	1.7
	Turkeys	1.8	5.5	3.2-9.1								1.1	49.4	42.1	1.8	0	5.5
	Cattle	0.9	20	16.4-24.1								0.7	28.7	49.7	0.9	0	20
	Swine	2.4	15.2	10.8-20.9								1.4	20.4	60.7	2.4	0	15.2
Ciprofloxacin	Chickens	0	0	0.0-0.5	79.6	18.3	2	0.1
	Turkeys	0	0	0.0-1.7	74.5	21.8	2.6	0	0.7	0.4
	Cattle	0	0	0.0-1.1	79	18.7	1.6	0.2	0	0.5
	Swine	0	0	0.0-2.2	81.5	17.5	0.9
Nalidixic Acid	Chickens	N/A	0.1	0-0.6							1.4	43.7	42.9	11.7	0.3	0	0.1
	Turkeys	N/A	1.1	0.3-3.5								38.7	39.5	20.3	0.4	0	1.1
	Cattle	N/A	0.7	0.2-2.2							0.5	43.1	44	11.8	0	0.2	0.5
	Swine	N/A	0	0.0-2.2							0.9	37.4	49.3	11.8	0.5
Tetracycline	Chickens	1.4	35.5	32.5-38.6									63.1	1.4	0.6	1.7	33.2
	Turkeys	0.4	73.8	68.1-78.8									25.8	0.4	0.4	13.3	60.1
	Cattle	0.7	27.3	23.2-31.8									72	0.7	1.1	3.6	22.6
	Swine	0.5	54.5	47.5-61.3									45	0.5	1.9	12.3	40.3

Table 3 notes:

95% confidence intervals for percent resistant (%R) were calculated using the Clopper-Pearson exact method

Antimicrobial subclasses and susceptible, intermediate and resistance breakpoints can be found in the antimicrobials and breakpoints section.

N/A- Not applicable

Table 4. Percent Antimicrobial Resistance among all Salmonella Isolates from Food Animals by Year, 1997-2007
Antimicrobial	Animal Source	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007
Amikacin	Chickens	0	0	0	0	0	0	0	0	0	0	0
	Turkeys	0	0	0	0	0	0	0	0	0	0	0
	Cattle	0	0	0	0	0	0	0	0	0	0	0
	Swine	0	0	0	0	0	0	0	0	0	0	0.3
Gentamicin	Chickens	17.8	15.3	10.4	14.9	7.9	5.5	6.3	4.9	4.3	5.7	4.5
	Turkeys	20.6	18.3	17.5	16.2	20.9	19.3	21	25.4	22.9	16.4	12.9
	Cattle	0	1.8	1.6	2.1	2.1	2.6	2.7	1.8	2.4	3.9	1.6
	Swine	0.9	0.8	1.1	1.3	1.4	0.8	0.5	1.3	2.7	2	0.9
Kanamycin	Chickens	2.3	3.2	1.2	4.1	2.4	2	2.8	2.7	2.5	3.6	3.4
	Turkeys	24.3	17.1	21.5	21.4	22.9	24.2	16	14.4	19.8	10.5	16.2
	Cattle	8.3	9.5	7.1	6.6	6.9	10.1	13.7	8.9	13.1	9.5	7.7
	Swine	11.7	7.2	6.7	9.3	6.9	4.2	5.7	3.9	5	8.6	7.1
Streptomycin	Chickens	24.3	27.8	27.5	28.6	21	22.9	19.6	22.2	23.3	21.2	19.3
	Turkeys	34.6	40.8	43.6	41.9	46.7	37.7	29.4	33.9	40.1	28.9	34.7
	Cattle	12.5	16.2	15.4	21.3	20.3	25.9	28.7	20.9	24.3	23.7	19.8
	Swine	27.9	29.4	29.3	39.2	35.6	40.1	30.8	36.4	36.5	26.3	27
Ampicillin	Chickens	11.7	12.8	12.4	13	9.4	14.3	13.7	14.5	14	14.9	17
	Turkeys	12.1	10.4	17.7	16.2	19.5	18	18.7	22	22.9	25.3	36.9
	Cattle	12.5	9.2	12.5	18.7	17.9	23.9	28.1	19.3	26.7	22.4	20
	Swine	16.2	12.9	10.8	18.8	11.7	13.7	12.8	16.2	13.6	11.5	18
Amoxicillin/Clavulanic Acid	Chickens	0.5	2	4.9	7.3	4.5	10.2	9.7	12.4	12.1	12.9	15.6
	Turkeys	4.7	0.4	4.3	3.5	6.9	3.7	1.5	4.7	3.5	5.6	11.1
	Cattle	8.3	2.5	3.9	9.9	11.8	17.7	21	13.5	21	18.5	15.5
	Swine	0	0.4	1	1.8	2.6	3.7	3.8	1.9	4.3	2.3	3.3
Ceftiofur	Chickens	0.5	2	5.2	7.6	4.1	10.2	9.8	12.4	12.2	12.8	15.4
	Turkeys	3.7	0.4	4.6	3.3	5.1	3.3	1.5	4.7	3.5	5.3	11.1
	Cattle	0	2.1	4.2	9.8	11.4	17.4	21	13.3	21.6	18.8	15.5
	Swine	0	0.1	1.9	1.3	2.2	3.2	4.3	1.9	3.7	2	2.8
Ceftriaxone	Chickens	0	0	0	0.1	0	0.3	0.1	0.5	0.3	0.1	0.4
	Turkeys	0	0	0.8	0.4	0.2	0	0.4	0.4	0.9	0	0
	Cattle	0	0	0.1	0.1	0.1	0.2	0.1	1.3	2.1	1	0.7
	Swine	0	0	0	0	0	0	0	0	0	0	0.5
Cephalothin	Chickens	1.4	4.5	5.8	7.8	4.7	10.5	10.4	10.4	NT	NT	NT
	Turkeys	5.6	5	10.5	8.3	13.1	9.8	11.1	11.1	NT	NT	NT
	Cattle	0	2.1	4.7	9.9	11.6	17.7	21.2	21.2	NT	NT	NT
	Swine	0	0.1	0.8	2.4	2.2	3.2	3.8	3.8	NT	NT	NT
Cefoxitin	Chickens	NT	NT	NT	7.2	4.1	8.7	8.2	12.4	12	12.8	13
	Turkeys	NT	NT	NT	3.3	4.5	2.5	1.1	5.1	3.5	5.3	9.2
	Cattle	NT	NT	NT	9.1	11.1	15.9	17.8	13.2	19.8	17.7	15
	Swine	NT	NT	NT	1.3	2.2	2.9	4.3	1.9	3.7	2	2.8
Sulfonamides	Chickens	24.8	23.7	15.9	18.4	11.8	8.9	10.3	11.9	8.5	10.7	10.4
	Turkeys	37.4	32.1	36	25.1	38	30.3	28.2	36.4	37	27.3	25.5
	Cattle	20.8	15.5	15	19.9	19.7	22.3	25.1	22.7	27.4	24.2	21.6
	Swine	34.2	29	30.7	35.7	34.9	34.6	25.1	37	32.9	26.6	30.8
Trimethoprim/Sulfamethoxazole	Chickens	0.5	1.2	1.1	0.4	0.5	0.8	0.3	0.2	0.2	0.1	0
	Turkeys	3.7	2.5	4.2	1.5	2.5	2.5	2.3	0.8	1.8	1	1.1
	Cattle	4.2	2.5	2.4	2.2	2.6	2.5	3.3	1.5	4.9	4.6	3
	Swine	1.8	0.3	1.1	0.9	0	1.6	2.4	1.6	2.3	2	1.9
Chloramphenicol	Chickens	2.3	2.9	1.8	4.6	2.5	2.4	2.1	1.3	1.8	1.7	1.8
	Turkeys	3.7	0.8	4.1	4.1	3.8	5.3	4.2	4.7	4.8	3.9	5.5
	Cattle	4.2	5.6	8.5	15.1	16.5	20.6	25.1	17.6	21.9	19.8	20
	Swine	11.7	8.4	8	12.4	7.7	10	8.5	12.7	10.6	7.9	15.2
Ciprofloxacin	Chickens	0	0	0	0	0	0	0.1	0	0	0	0
	Turkeys	0	0	0	0	0	0	0	0	0	0	0
	Cattle	0	0	0	0	0	0	0	0	0	0	0
	Swine	0	0	0	0	0	0	0	0	0	0	0
Nalidixic Acid	Chickens	0	0.2	0.2	0.5	0	0.8	0.4	0.5	0.3	0.1	0.1
	Turkeys	4.7	2.1	5.3	5.4	5.1	5.3	3.8	2.1	2.2	0.7	1.1
	Cattle	0	0.4	0.1	0.4	0.4	0.4	0.4	2	1.5	0.5	0.7
	Swine	0	0	0	0.2	0	0.3	0	0	0.3	0	0
Tetracycline	Chickens	20.6	20.5	25	26.3	21.9	24.9	26.2	27.4	28.3	31.8	35.5
	Turkeys	52.3	45.8	52.9	56.2	54.9	54.5	58.8	48.3	54.6	61.8	73.8
	Cattle	25	24.3	20.9	25.8	26.3	32	36.9	31.8	34	30.3	27.3
	Swine	52.3	47.5	48.4	54.3	53.1	57.8	43.1	58.8	54.8	62.8	54.5

Table 4 notes:

NT- Not tested