Table 1 Number of quarter milk samples, cows sampled (study group) and control cows (no milk samples submitted) in 2010, 2011 and 2012
From: Bacteriological etiology and treatment of mastitis in Finnish dairy herds
2010 | 2011 | 2012 | Total number of samples | |
|---|---|---|---|---|
Samples | 64,630 | 84,413 | 91,024 | 240,067 |
Samples with one target pathogen | 31,731 | 44,037 | 41,743 | 117,511 |
Total number of cows | Total number of individual cows | ||||
|---|---|---|---|---|---|
Cows in the study group | 32,723 | 41,949 | 45,582 | 120,254 | 93,529 |
Cows in the control group | 177,409 | 177,205 | 180,427 | 535,041 | 238,235 |
Total number of cows | 210,132 | 219,154 | 226,009 | 655,295 | 331,764 |