Table 2 Number and proportion of samples with DNA of a target bacterial species or group of species detected alone in 117,511 quarter milk samples analyzed in the laboratory of Valio Ltd. in Finland during 2010–2012 using PathoProofTM Mastitis PCR Assay, and the mean cycle threshold (Ct) values
From: Bacteriological etiology and treatment of mastitis in Finnish dairy herds
Pathogen | N | % | Mean Ct valuea |
|---|---|---|---|
CNS | 50,836 | 43.3 | 31.5 |
Staphylococcus aureus | 24,754 | 21.1 | 28.0 |
Streptococcus uberis | 10,572 | 9.0 | 26.6 |
Streptococcus dysgalactiae | 9292 | 7.9 | 27.0 |
Corynebacterium bovis | 8510 | 7.2 | 31.9 |
Escherichia coli | 5562 | 4.7 | 29.3 |
Trueperella pyogenes/Peptoniphilus indolicus | 2921 | 2.5 | 26.0 |
Yeasts | 1812 | 1.5 | 31.3 |
Enterococcus spp. | 1722 | 1.5 | 30.7 |
Klebsiella spp. | 836 | 0.7 | 28.9 |
Streptococcus agalactiae | 501 | 0.4 | 25.6 |
Serratia marcescens | 149 | 0.1 | 33.1 |
Prototheca sp. | 34 | 0 | 32.7 |
Mycoplasma spp. | 7 | 0 | 21.9 |
Mycoplasma bovis | 3 | 0 | 27.1 |
Total | 117,511 | 100 |