Table 2 Distribution of milk samples according to herd size
From: Udder pathogens and their resistance to antimicrobial agents in dairy cows in Estonia
Clinical mastitis | Subclinical mastitis | |||||||
|---|---|---|---|---|---|---|---|---|
Farm size category | Farms | % | Samples | % | Farms | % | Samples | % |
1 (1-30 cows) | 54 | 28.4 | 98 | 3.2 | 41 | 15 | 86 | 1.7 |
2 (31-99 cows) | 35 | 18.4 | 149 | 4.9 | 51 | 18.6 | 268 | 5.2 |
3 (100-299 cows) | 40 | 21.1 | 378 | 12.4 | 53 | 19.3 | 541 | 10.5 |
4 (300-599 cows) | 44 | 23.2 | 1472 | 48.1 | 80 | 29.2 | 2426 | 47.1 |
5 (> 600 cows) | 17 | 8.9 | 961 | 31.4 | 49 | 17.9 | 1825 | 35.5 |
Total | 190 | 100 | 3058 | 100 | 274 | 100 | 5146 | 100 |