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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.
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