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Table 3 The prevalence of recovered bacterial pathogens from pneumonic and apparently healthy calves

From: Prevalence, the antibiogram and the frequency of virulence genes of the most predominant bacterial pathogens incriminated in calf pneumonia

Isolates

Source of sample

No. of isolates (%)

p-value

Pneumonic calves (n = 170)

 E. coli

NS

40 (23.5)

0.000118*

 P. vulgaris

NS

21 (12.4)

 

 S. aureus

NS

20 (11.8)

 

 P. aeruginosa

NS

10 (5.9)

 

 E. cloacae

NS

7 (4.1)

 

 P. multocida

LT

3 (1.8)

 

 E. aerogenes

NS

7 (4.1)

 

 M. haemolytica

BS

1 (0.6)

 

 Total

 

109 (64.1)

 

Apparently healthy calves (n = 55)

 

 E. coli

NS

9 (16.4)

 

 S. aureus

NS

6 (10.9)

 

 P. vulgaris

NS

3 (5.4)

 

 E. aerogenes

NS

1 (1.8)

 

 Total

 

19 (34.5)

 
  1. NS nasal swab, LT lung tissue, BS blood sample
  2. *The result is significant at p < .05