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. 2019 Jul 29;15:266. doi: 10.1186/s12917-019-2014-6

Fig. 2.

Fig. 2

Predicted probability of a positive ELISA test result (positive > = 50 EU in any one of 4 ELISA tests conducted in parallel) for primiparous (left hand panel) and multiparous cows (right hand panel) in an analysis of the association between ELISA status for Mycobacterium avium subsp. paratuberculosis infection and age and year of study on a New Zealand pastoral dairy farm over four seasons (2013-2017)