International Journal of Microbiology / 2020 / Article / Tab 2 / Research Article
Antibiotic and Disinfectant Susceptibility Patterns of Bacteria Isolated from Farmed Fish in Kirinyaga County, Kenya Table 2 Antibiotic susceptibility patterns and overall antibiotic responses for the bacterial isolates, pegged on CLSI’s inhibition zones interpretive criterion.
Bacterial isolates Pattern Number of isolates susceptible or resistant, n (%), to the antibiotic agents tested AMP TET COT S K GEN SX C A . hydrophila (N = 6)S 0 (0) 5 (83) 4 (67) 6 (100) 6 (100) 6 (100) 6 (100) 6 (100) R 6 (100) 1 (17) 2 (33) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) Proteus spp. (N = 6)S 0 (0) 2 (33) 0 (0) 6 (100) 6 (100) 6 (100) 3 (50) 3 (50) R 6 (100) 4 (67) 6 (100) 0 (0) 0 (0) 0 (0) 3 (50) 3 (50) K . pneuzmoniae (N = 7)S 6 (86) 5 (71) 5 (71) 7 (100) 7 (100) 7 (100) 7 (100) 7 (100) R 1 (14) 2 (29) 2 (29) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) C . freundii (N = 6)S 5 (83) 6 (100) 5 (83) 5 (83) 6 (100) 6 (100) 6 (100) 6 (100) R 1 (17) 0 (0) 1 (17) 1 (17) 0 (0) 0 (0) 0 (0) 0 (0) Salmonella enteritidis (N = 4)S 2 (50) 4 (100) 0 (0) 4 (100) 4 (100) 4 (100) 4 (100) 4 (100) R 2 (50) 0 (0) 4 (100) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) Streptococcus spp. (N = 3)S 0 (0) 2 (67) 0 (0) 0 (0) 1 (33) 3 (100) 1 (33) 3 (100) R 3 (100) 1 (33) 3 (100) 3 (100) 2 (67) 0 (0) 2 (67) 0 (0) P . aeruginosa (N = 5)S 0 (0) 4 (80) 0 (0) 5 (100) 5 (100) 5 (100) 0 (0) 0 (0) R 5 (100) 1 (20) 5 (100) 0 (0) 0 (0) 0 (0) 5 (100) 5 (100) E . coli (N = 3)S 2 (67) 3 (100) 0 (0) 3 (100) 3 (100) 3 (100) 3 (100) 3 (100) R 1 (33) 0 (0) 3 (100) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) S . marcescens (N = 6)S 0 (0) 6 (100) 0 (0) 4 (67) 4 (67) 6 (100) 4 (67) 6 (100) R 6 (100) 0 (0) 6 (100) 2 (33) 2 (33) 0 (0) 2 (33) 0 (0) Micrococcus spp. (N = 2)S 2 (100) 2 (100) 0 (0) 2 (100) 2 (100) 2 (100) 2 (100) 2 (100) R 0 (0) 0 (0) 2 (100) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) Overall antibiotic response (N = 48) S 17 (35) 39 (81) 14 (27) 42 (88) 44 (92) 48 (100) 36 (75) 40 (83) R 31 (65) 9 (19) 34 (73) 6 (12) 4 (8) 0 (0) 12 (25) 8 (17)
S: susceptible, R: resistance, n: number of isolates, AMP: ampicillin, TET: tetracycline, COT: co-trimoxazole, S: streptomycin, K: kanamycin, GEN: gentamicin, SX: sulphamethoxazole, C: chloramphenicol.