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. 2020 Jan 24;82(3):345–349. doi: 10.1292/jvms.19-0554

Table 1. Escherichia coli isolates from wild mammals and their susceptibility to antimicrobials.

Animals Sampling place Number of
%Resistance
Animals Isolates Resistance (%) AMP CFZ CTX MEM GEN KAN TET NAL CIP CST CHL SXT
(32)a) (32) (4) (2) (16) (64) (16) (32) (2) (4) (32) (76/4)
Sika deer
Mountain area in Hokkaido, Shizuoka, Gifu, Yamaguchi, Kagoshima 191 327 15 (4.6) 0.6 0 0 0 0.3 0.9 3.1 0.9 0.3 1.2 0 0.6
Miyajima 37 102 5 (4.9) 2.0 0 0 0 0 0 2.0 0 0 2.9 0 2.0
Nara park 36 96 11 (11.5) 0.0 0 0 0 0 0 11.5 0 0 1.0 0 0

Subtotal 242 525 31 (5.9) 0.8 0 0 0 0.2 0.6 4.4 0.6 0.2 1.5 0 0.8

Wild boars
Mountain area in Tochigi, Ishikawa, Gifu, Yamaguchi, Kagoshima 112 224 18 (8.0) 3.6 0 0 0 0.4 1.3 4.0 0.9 0 1.3 1.8 0.9

Small mammals
Animal facilities in Gifu and Hokkaido 58 106 30 (28.3) 23.6 2.8 1.9 0 2.8 5.7 17.9 11.3 0.0 3.8 1.9 18.9
Urban area 33 43 6 (14.0) 0 0 0 0 0 0 14.0 0 0 0 0 6.4
Mountain area in Gifu, Nagano and Kagoshima 26 50 0 (0) 0 0 0 0 0 0 0 0 0 0 0 0

Subtotal 113 199 36 (18.1) 12.6 1.5 1.0 0 1.5 3.0 12.6 6.0 0 2.0 1.0 11.6

Japanese badger
Countrysideb) in Kagoshima 4 10 4 (40.0) 10.0 0 0 0 0 20.0 20.0 0 0 10.0 0 0
Tokara cows
Mountain area in Kuchinoshima island, Kagoshima 2 3 2 (66.7) 0 0 0 0 0 0 33.3 0 0 33.3 0 0
Amami rabbits
Mountain area in Amami-Oshima island, Kagoshima 2 2 1 (50.0) 0 0 0 0 0 0 0 0 0 50.0 0 0

Total 475 963 92 (9.6) 17.8 1.4 0.9 0 2.3 6.5 28.0 7.9 0.5 8.4 2.8 13.6

AMP, ampicillin; CFZ, cefazolin; CTX, cefotaxime; MEM, meropenem; GEN, gentamycin; KAN, kanamycin; TET, tetracycline; NAL, nalidixic acid; CIP, ciprofloxacin; CST, colistin; CHL, chloramphenicol; SXT, sulfamethoxazole/trimethoprim. a) Breakpoints. b) The area combines house, field, and forest animals.