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Table 2 The prevalence of the major bacterial pathogens from calves and adult cattle

From: Serotyping, antibiogram, and detection of bacterial pathogens associated with bovine respiratory disease in selected areas of Ethiopia

Isolates

Calves

Adult cattle

Total

Chi-Square P-Value

Nasopharyngeal swab

(n = 125)

Pneumonic lung

(n = 45)

Nasopharyngeal swab

(n = 75)

Pneumonic lung

(n = 155)

M. haemolytica

68 (61.26)

18 (40.0)

35 (49.30)

70 (46.98)

191 (50.80)

.125*

P. multocida

21 (18.92)

10 (22.22)

13 (18.31)

37 (24.83)

81 (21.54)

B. trehalosi

14 (12.61)

8 (17.78)

11 (15.49)

15 (10.07)

48 (12.77)

H. somni

8 (7.21)

9 (20.0)

12 (16.90)

27 (18.12)

56 (14.89)

Total

111 (88.8)

45 (100)

71 (94.67)

149 (96.13)

376 (94.0)

  1. n - Sample size, * the result is not significant at P < .05