Antibiotic Sensitivities

Percent of Micro-organisms in Companion Animals that were Resistant
to Selected Antibiotics from Jul.- Dec. 2005 and Jan.-June 2006.
(in food animals)

	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	0	0	36	35	0	0	0	0	0	0	4	6	0	0	0	0	0	5	0	0	11	0	0	0	29	83	0	0	0	0
Amoxycillin/ Clauvulinic acid	21	22	32	13	100	100	0	19	4	3	4	13	29	13	0	0	6	5	0	0	0	10	21	14	57	33	100	100	29	33
Ampicillin	43	47	36	26	100	100	43	57	46	17	20	27	50	13	50	50	47	30	0	0	0	10	32	57	57	33	100	100	57	100
Cefazolin	22	22	68	78	100	100	0	17	2	3	4	13	29	0	0	0	6	10	0	0	5	5	18	14	71	100	100	100	29	33
Cefotaxime	23	22	86	87	100	100	0	17	2	3	4	8	29	13	0	0	6	15	0	0	0	0	18	14	71	100	100	100	29	33
Cefpodoxime	19	21	86	96	100	100	0	17	4	6	4	13	29	0	0	25	18	20	0	0	0	10	11	14	71	83	100	100	29	33
Ceftiofur	18	16	82	91	100	100	0	17	4	3	4	8	38	0	0	0	6	25	0	25	5	5	14	14	71	67	100	100	29	33
Cephalothin	34	29	68	78	100	100	0	17	2	3	12	17	29	13	0	0	6	5	0	0	0	5	25	29	71	100	100	100	24	33
Chloramphenicol	15	17	5	0	52	69	0	0	4	0	16	15	29	0	0	0	0	10	0	0	0	0	14	7	0	0	100	100	0	0
Clindamycin	99	100	82	87	100	100	29	17	14	11	100	98	100	100	0	0	6	25	0	0	5	15	100	100	86	100	100	100	29	33
Enrofloxacin	29	28	32	30	12	31	0	26	12	6	12	2	0	0	0	0	6	5	0	25	5	0	0	14	57	33	0	0	29	33
Erythromycin	95	53	18	17	100	62	29	19	20	19	96	40	0	50	0	0	24	20	0	25	11	20	86	43	14	50	100	67	29	33
Gentamicin	23	19	27	9	0	0	0	7	2	0	16	17	100	0	67	0	12	15	0	0	5	0	4	14	43	17	0	0	0	0
Imipenem	0	0	23	17	0	0	0	17	2	0	0	0	50	0	0	0	6	0	0	0	0	0	0	0	57	33	0	0	14	33
Marbofloxacin	29	26	23	26	0	8	0	26	10	6	8	2	0	0	0	0	0	0	0	25	5	0	0	14	14	33	0	0	29	33
Orbifloxacin	29	28	23	26	12	15	0	24	12	6	12	2	0	0	0	0	0	0	0	0	0	0	0	14	14	33	0	0	29	33
Oxacillin + 2% NaCl	99	100	82	74	100	100	0	17	4	6	100	100	0	100	0	0	12	5	0	0	0	5	100	100	71	100	100	67	24	33
Penicillin	100	100	27	13	100	100	43	57	52	53	100	100	100	100	50	50	41	55	0	0	0	5	100	100	57	33	100	100	57	100
Rifampin	97	94	23	9	100	100	0	0	2	0	100	100	100	100	0	0	0	5	0	0	0	0	96	93	0	17	100	100	0	0
Tetracycline	37	38	45	57	76	85	14	31	28	14	36	42	57	13	33	25	6	5	0	25	21	40	18	43	71	67	0	67	43	0
Ticarcillin	39	44	27	22	4	0	43	57	36	0	20	27	14	13	50	50	35	5	0	0	0	0	29	57	57	33	100	0	57	100
Ticarcillin/ Clavulanic Acid	14	16	27	17	0	0	0	17	2	8	0	8	0	0	0	0	6	5	0	0	0	0	11	7	57	33	100	0	29	33
Trimethoprim/ Sulphamethoxazole	34	33	5	4	80	92	14	10	10	6	36	38	13	0	33	0	12	5	0	0	0	0	11	21	0	17	100	67	0	0
number of isolates	146	166	22	23	25	13	7	42	50	36	25	48	7	8	6	4	17	20	2	4	19	20	28	14	7	6	1	3	7	3

nt - not tested