Prevalence and Antimicrobial Susceptibility Profile of Salmonella from Poultry Farms and In-Contact Humans and Associated Risk Factors in Addis Ababa, Ethiopia

Table 7

Resistance patterns of Salmonella isolated from poultry farms and in-contact humans in Addis Ababa.

S. no	R pattern	No. of antimicrobials to which isolates were resistant	No. (%) of isolates with this pattern
1	—	0	19 (59.4)
2	Amc-S	2	1 (3.1)
3	Cf-Te	2	1 (3.1)
4	S-Te	2	3 (9.4)
5	Sxt-Am	2	1 (3.1)
6	C-S-Te	3	1 (3.1)
7	Na-Amc-S	3	1 (3.1)
8	Na-Cf-S	3	1 (3.1)
9	Amc-Sxt-S-Te	4	1 (3.1)
10	Am-Cf-Sxt-S-Te	5	1 (3.1)
11	Na-C-Amc-Sxt-S-Te	6	2 (6.3)
Total			32 (100)

Am = ampicillin; Cf = cephalothin; Amc = amoxicillin + clavulanic acid; Sxt = sulfamethoxazole + trimethoprim; Na = nalidixic acid; Te = tetracycline; S = streptomycin; C = chloramphenicol.