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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
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