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Table 4 Burden of Mycobacterium avium subspecies paratuberculosis infection in cow-calf operations reported by the US cow-calf veterinarians

From: Perceptions of veterinarians and producers concerning Johne’s disease prevalence and control in US beef cow-calf operations

Respondent type Responses Median (IQR) of non zero responses (%) Range of all responses (%) Pa
  Total Non-zeros    
Cattle infected with MAP in practice clientele      
JD certified 109 105 2 (1–5) 0–60 0.483
Not certified 162 154 2 (1–5) 0–30
Performed risk assessment 111 109 2 (1–5) 0–50 0.723
Did not perform risk assessment 154 144 3 (1–5) 0–60
Client herds with animal(s) infected with MAP      
JD certified 110 106 20 (5–50) 0–100 0.006
Not certified 166 156 10 (3–34) 0–100
Performed risk assessment 112 110 15 (5–50) 0–100 0.010
Did not perform risk assessment 158 146 10 (2–50) 0–100
Infected cattle within MAP infected client herd      
JD certified 107 107 5 (3–10) 1–80 0.454
Not certified 154 154 5 (2–10) 0.01–40
Performed risk assessment 111 111 5 (2–10) 0.05–80 0.268
Did not perform risk assessment 143 143 5 (3–10) 0.01–70  
  1. aWilcoxon rank-sum test based on all responses.