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

Fig. 3.

Fig. 3

Comparison of the impact of different factors on the prevalence of chronic subclinical mastitis (CSCM). Mixed effects logistic regression model of CSCM and related factors. CSCM was defined as cow composite milk SCC ≥200,000 cells/ml in three or four test milkings of the year (observations used 499,376). 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