resistance to antimicrobials

Percent resistance to antimicrobials from selected animal pathogens in Companion Animals (in food animals) data supplied by Bacteriology Section, ADDL, Purdue University(periods of July- Dec. 2007 and Jan.- June 2008)
	Canine										Equine												Feline
Antibiotic	E. Coli		Enterococcus sp.		Pse. aeruginosa		Staph. aureus		Staph. intermedius		E. Coli		Salmonella sp.		Staph. aureus		Staph. epidermidis		Strep. equi		Strep. zooepidemicus		E. Coli		Enterococcus sp.		Pse. aeruginosa		Staph. aureus
	July- Dec.	Jan.- June	July- Dec.	Jan.- June	July- Dec.	Jan.- June	July- Dec.	Jan.- June	July- Dec.	Jan.- June	July- Dec.	Jan.- June	July- Dec.	Jan.- June	July- Dec.	Jan.- June	July- Dec.	Jan.- June	July- Dec.	Jan.- June	July- Dec.	Jan.- June	July- Dec.	Jan.- June	July- Dec.	Jan.- June	July- Dec.	Jan.- June	July- Dec.	Jan.- June
Amikacin	3	3	74	64	5	0	12	9	0	0	3	7	0	0	50	47	7	18	40	0	11	7	0	0	57	0	0	0	67	0
Amoxycillin/Clauvulinic acid	23	22	28	29	100	100	16	13	25	0	3	19	0	0	0	40	0	36	0	0	0	0	22	13	57	100	100	100	67	0
Ampicillin	52	43	37	36	100	100	64	79	50	67	35	39	0	57	100	100	33	55	40	0	0	7	44	25	57	100	100	100	100	100
Cefazolin	33	24	78	82	100	100	16	13	25	0	3	16	0	57	0	40	0	32	20	0	0	0	22	19	0	100	100	100	67	0
Cefoxitin	29	21	78	89	100	100	16	13	25	0	3	19	0	0	0	40	7	32	20	0	0	0	22	13	100	100	100	100	67	0
Cefpodoxime	30	24	89	93	100	100	17	15	25	0	3	13	0	0	13	40	13	46	20	0	0	7	22	13	100	100	100	100	67	0
Ceftiofur	26	22	80	89	100	100	16	14	25	0	3	13	0	0	0	40	4	41	40	0	6	21	22	6	86	100	100	100	67	0
Cephalothin	36	31	76	78	100	100	16	13	25	0	3	19	0	57	0	40	0	23	0	0	0	7	22	19	100	100	100	100	67	0
Chloramphenicol	18	16	7	21	78	78	7	3	0	0	17	16	0	0	0	0	0	14	0	0	0	0	11	13	14	0	100	0	0	0
Clindamycin	100	100	94	93	100	100	48	42	25	0	100	100	100	100	38	53	33	67	60	0	6	8	100	100	100	100	100	100	100	50
Enrofloxacin	27	24	52	57	20	17	16	24	0	0	10	7	0	0	0	0	13	41	60	0	0	7	22	6	57	100	50	0	67	0
Erythromycin	100	100	48	54	100	100	48	41	25	0	100	100	100	100	38	53	27	59	20	0	17	36	100	100	86	100	100	100	100	50
Gentamicin	20	18	37	43	7	6	12	8	0	0	14	26	0	0	50	47	7	18	0	0	6	0	22	13	29	0	0	0	67	0
Imipenem	0	0	37	39	5	0	73	72	25	0	0	0	0	0	63	80	13	41	0	0	0	0	0	0	57	100	0	0	100	100
Marbofloxacin	28	23	nt	nt	nt	nt	16	26	0	0	10	7	0	0	0	0	13	41	20	0	0	7	22	6	nt	nt	nt	nt	67	0
Orbifloxacin	28	24	39	46	25	28	16	26	0	0	nt	nt	nt	nt	nt	nt	nt	nt	nt	0	nt	nt	22	6	57	100	50	0	67	0
Oxacillin + 2% NaCl	99	100	91	89	100	100	16	13	25	0	100	100	100	100	0	40	0	23	0	0	0	7	100	100	100	100	100	100	67	0
Penicillin	100	100	33	36	100	100	100	100	75	67	100	100	100	100	100	100	40	55	20	0	0	7	100	100	57	100	100	100	100	100
Rifampin	93	98	33	18	100	100	0	0	0	0	90	100	100	100	0	0	0	5	0	0	0	7	83	100	57	100	100	100	0	0
Tetracycline	41	32	72	65	100	100	36	42	0	33	38	36	0	57	25	47	40	32	60	0	17	43	33	31	100	100	100	100	0	0
Ticarcillin	47	39	30	32	8	17	22	18	25	0	35	29	0	57	0	50	0	23	0	0	0	7	44	25	57	100	50	0	67	0
Ticarcillin/Clavulanic Acid	14	14	30	36	5	6	16	13	25	0	3	0	0	57	0	40	0	23	0	0	0	0	22	6	57	100	50	0	67	0
Trimethoprim/S ulphamethoxazole	31	26	28	18	81	89	9	19	25	0	52	42	0	0	25	40	20	33	0	0	6	0	28	7	57	100	100	100	0	0
number of isolates	160	110	46	28	40	18	81	100	4	3	29	31	8	7	8	15	15	22	5	0	18	14	18	16	7	1	2	1	3	4
nt - not tested