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Table 3 Antimicrobial susceptibility pattern of Salmonella isolates from lactating dairy cows and humans working in dairy farms

From: Prevalence and antimicrobial resistance of Salmonella isolated from lactating cows and in contact humans in dairy farms of Addis Ababa: a cross sectional study

Antimicrobials tested

Type of sample

  

X 2 (P-value)

 

Milk of cows

Faeces of cows

Human stool

 

Gentamycin

    

   Sensitive

4(66.7)

11(73.3)

3(100)

2.535(0.792)

   Intermediate

0(0)

2 (13.3)

0(0)

 

   Resistance

2(33.3)

2 (13.3)

0(0)

 

Ciprofloxacin

    

   Sensitive

5(83.3)

15(100)

3(100)

3.118(0.708)

   Intermediate

1(16.7)

0(0)

0(0)

 

   Resistance

0(0)

0(0)

0(0)

 

Ceftriaxone

    

   Sensitive

5(83.3)

13(86.7)

3(100)

0.664(1)

   Intermediate

1(16.7)

2(13.3)

0(0)

 

   Resistance

0(0)

0(0)

0(0)

 

Ampicilline

    

   Sensitive

0(0)

0(0)

0(0)

 

   Intermediate

0(0)

0(0)

0(0)

 

   Resistance

6(100)

15(100)

3(100)

 

Streptomycin

    

   Sensitive

0(0)

2(13.3)

0(0)

9.422(0.083)

   Intermediate

0(0)

3(20)

3(100)

 

   Resistance

6(100)

10(66.7)

0(0)

 

Kanamycine

    

   Sensitive

2(33.3)

7(46.7)

2(66.7)

4.834(0.167)

   Intermediate

0(0)

4(26.7)

1(33.3)

 

   Resistance

4(66.7)

4(26.7)

0(0)

 

Nitrofurantoine

    

   Sensitive

2(33.3)

3(20)

2(66.7)

8.303(0.083)

   Intermediate

0(0)

3(20)

1(33.3)

 

   Resistance

4(66.7)

9(40)

0(0)

 

Tetracycline

    

   Sensitive

2(33.3)

8(53.3)

1(33.3)

2.061(0.875)

   Intermediate

1(16.7)

3(20)

1(33.3)

 

   Resistance

3(50)

4(26.7)

1(33.3)

 

Chloramphenicol

    

   Sensitive

4(66.7)

14(93.3)

3(100)

4.605(0.333)

   Intermediate

1(16.7)

0(0)

0(0)

 

   Resistance

1(16.7)

1(6.7)

0(0)

 

Cotrimoxazole

    

   Sensitive

5(83.3)

14(93.3)

3(100)

1.289 (0.792)

   Intermediate

1(16.7)

1(6.7)

0(0)

 

   Resistance

0(0)

0(0)

0(0)

 
  1. Numbers in parenthesis are percentages.