Prevalence and Antimicrobial Susceptibility Profile of Salmonella from Poultry Farms and In-Contact Humans and Associated Risk Factors in Addis Ababa, Ethiopia
Table 1
Distribution of poultry farms involved in the current study across subcities and their characteristics.
Study variables
No. (%) of farms
No. (%) of samples
(n = 58)
(n = 471)
Studied subcities
Arada
9 (15.5)
89 (18.9)
Kirkos
5 (8.6)
33 (7.0)
Yeka
24 (41.4)
197 (41.8)
Kolfe Keranio
20 (34.5)
152 (32.3)
Flock size of chickens
Large
24 (41.4)
299 (63.5)
Small
34 (58.6)
172 (36.5)
Age of chickens
<6 months
28 (48.3)
231 (49.0)
6–12 months
26 (44.8)
219 (46.5)
>12 months
4 (6.9)
21 (4.5)
Poultry farm’s waste disposal practices
On-farm waste disposal
25 (43.1)
257 (54.6)
Off-farm waste disposal
33 (56.9)
214 (45.4)
Source of birds
Received from different multiplication centers
21 (36.2)
180 (38.2)
Received from a single multiplication center
37 (63.8)
291 (61.8)
Use of disinfectants
No
20 (34.5)
171 (36.3)
Yes
38 (65.5)
300 (63.7)
Antimicrobial use history during the last 6 months
No
38 (65.5)
314 (66.7)
Yes
20 (34.5)
157 (33.3)
Type of commodity
Layers
51 (87.9)
431 (91.5)
Broilers
7 (12.1)
40 (8.5)
Type of chicken-keeping house
Floor system
26 (44.8)
232 (49.3)
Cage system
32 (55.2)
239 (50.7)
Is poultry feed contaminated with chicken excreta?