Antimicrobial Resistance Profiles of Escherichia coli Isolated from Broiler and Layer Chickens in Arusha and Mwanza, Tanzania

Table 4

Overall antimicrobial resistance to different classes of antimicrobial agents of the randomly selected E. coli isolates obtained from broiler and layer chickens in Arusha and Mwanza.

Number of antimicrobial agent classes	Frequency	Percentage (%)
1	11	5.4
2	16	7.8
3	50	24.5
4	55	27
5	37	18.1
6	29	14.2
7	6	2.9