Antibiotic Sensitivities

Percent of Micro-organisms in Food Animals that are Resistence to Selected Antibiotics
from Jul.- Dec. 2004 and Jan.-June 2005.
(Companion Animal Chart)

	Beef								Dairy										Swine
Antibiotic	E. coli		Man. haemolitica		Past. multocida		Salmonella sp.		E. coli		Man. haemolitica		Past. multocida		Staph. aureus		Salmonella sp.		Haemophilus sp.		E. coli		Salmonella sp.		Strep. suis
	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
Ampicillin	35	29	0	0	0	0	67	70	52	61	13	63	0	8	89	47	66	52	13	20	69	71	48	68	3	3
Apramycin	8	0	33	100	100	100	0	0	19	23	50	0	71	71	nt	nt	0	0	4	9	20	20	0	13	43	25
Ceftiofur	19	3	0	0	0	0	0	0	27	28	0	0	0	0	0	0	63	52	0	4	25	28	10	28	12	11
Chlortetracycline	65	63	0	0	0	0	0	63	84	85	13	38	0	0	nt	nt	69	56	0	2	98	95	81	85	92	92
Clindamycin	96	100	100	100	100	100	100	100	95	99	100	100	100	100	nt	nt	100	100	13	20	100	99	100	100	82	88
Enrofloxacin	15	3	0	0	1	0	0	0	19	15	25	25	0	0	nt	nt	0	0	0	2	0	1	0	0	0	6
Erythromycin	96	99	0	0	50	0	100	100	96	99	13	50	25	17	0	0	100	96	8	6	100	99	95	98	81	86
Florphenicol	96	100	0	0	33	0	100	88	95	99	0	25	14	10	nt	nt	100	96	0	0	100	99	95	100	69	66
Gentamicin	23	9	0	0	17	0	0	0	43	44	0	25	0	0	nt	nt	13	4	0	0	20	21	10	15	5	8
Neomycin	35	23	33	0	83	50	67	63	69	74	25	63	57	80	nt	nt	53	44	13	29	53	49	14	30	64	38
Oxytetracycline	69	69	33	0	83	0	67	63	86	86	25	75	57	50	nt	nt	69	56	63	24	99	98	81	90	94	96
Penicillin	96	100	33	0	67	0	100	100	96	99	75	75	25	25	89	47	100	100	50	55	100	100	95	100	16	17
Sulphadimethoxine	50	60	33	0	83	25	67	80	62	74	25	63	50	58	100	87	69	68	17	22	77	84	86	90	62	72
Spectinomycin	54	33	100	50	50	0	100	100	73	72	100	75	86	40	nt	nt	100	76	67	39	53	66	95	98	29	20
Sulphachloropyridazine	50	61	33	0	83	100	67	88	80	88	0	63	86	80	nt	nt	69	76	13	29	77	84	81	88	62	76
Sulphathiazole	50	60	33	50	83	50	67	75	80	86	25	88	71	70	nt	nt	72	68	50	45	77	82	81	85	60	80
Tiamulin	96	100	67	50	83	50	100	100	95	99	75	63	100	80	nt	nt	100	100	8	16	100	99	100	100	22	26
Tilmicosin	96	94	0	0	50	0	100	100	94	99	0	38	29	20	nt	nt	100	100	9	2	100	99	95	100	81	87
Triple Sulfa	31	19	0	0	33	0	0	10	56	62	13	50	14	20	nt	nt	34	28	0	0	32	25	0	15	0	6
Tylosin	96	100	100	100	83	75	100	100	95	99	100	100	100	70	nt	nt	100	100	nt	nt	100	100	100	100	nt	nt
number of isolates	26	70	3	2	6	4	3	10	81	81	8	8	7	10	9	15	32	25	24	49	101	170	21	40	86	104

nt - not tested