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. 2017 Apr 20;59:22. doi: 10.1186/s13028-017-0288-x

Fig. 2.

Fig. 2

Comparison of the impact of different factors on the prevalence of subclinical mastitis (SCM). Mixed effects logistic regression model of SCM and related factors. SCM was defined as cow composite milk SCC ≥200,000 cells/ml in one test milking of the year (observations used 2,050,362). Interactions between years and different variables are also presented. Results of the effect of different regions of Finland are described in the text. OR odds ratio, 95% CL confidence limit. *Statistically significant. **Type of stall estimations only from years 2001 and 2010