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. 2018 Mar 14;14:93. doi: 10.1186/s12917-018-1421-4

Fig. 1.

Fig. 1

Predicted milk yield for multiparous and primiparous cows in 2013–14 (a) and 2014–15 (b) from a model investigating the effect of MAP infection status on milk yield. Ninety-five percent confidence intervals for the observed milk yield at each of four test dates in each lactation are represented by vertical lines in each lactation