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Table 4 Number of calves positive on either MAP tissue culture, histology or macroscopy in each age and dose group

From: Evaluation of age-dependent susceptibility in calves infected with two doses of Mycobacterium avium subspecies paratuberculosis using pathology and tissue culture

Positive* Control Low dose High dose
2 weeks 3 months 6 months 9 months 12 months 2 weeks 3 months 6 months 9 months 12 months
0 4 1   1 1     2 2  
1 2 4 5 4 4 5 5 5 3 3 5
  1. *Tissue culture or histology (score >2) or macroscopic score.