Table 1.

Descriptions of the data sets used in the analyses

Data setCollection dates (mo/yr)No. of isolates (number of samples)Antibiotics testedReference or source
CattleHumanPoultryWildTotal
11/93–3/93568 (6)181 (2)552 (6)134 (3)1,435 (17)CTC, OTC, SAL, STR 21
26/93–7/942,110 (27)2,054 (23)1,140 (13)686 (9)5,990 (72)AMP, ERY, GEN, TET, VANThis study
39/94–2/951,157 (13)533 (6)542 (7)403 (5)2,635 (31)OTC, SAL, STR, TET, VANThis study
46/95–8/951,174 (18)837 (15)737 (12)96 (2)2,844 (47)AMX, ERY, OTC, STR, TET, VANThis study
55/96–4/971,083 (25)802 (7)376 (11)771 (18)3,032 (69)AMP, AMX, CTC, ERY, OTC, SAL, STR, TET, VANThis study