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Table 2 Parameters of Lognormal distribution fitting the intra-herd transmission coefficients estimated at the herd level using data from herds of Madrid in 1997–2009 after exclusion of outliers (n = 17)

From: Eradication of bovine tuberculosis at a herd-level in Madrid, Spain: study of within-herd transmission dynamics over a 12 year period

Productive type

Number of herds

Mean

Median

Standard deviation

Beef

181

2.77

2.32

1.81

Dairy

74

4.69

3.82

3.37

Bullfighting

26

2.45

2.11

1.37

Total

281

3.24

2.59

2.40