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. 2017 Sep 14;12(9):e0184933. doi: 10.1371/journal.pone.0184933

Table 1. Number of cows tested in the three lateralization tests.

Object Day 1 Day 2 Day 3
Bilateral balloons Total number of cows tested 186 183 185
Number of cows included in data analysis 158 162 160
Proportion of lame cows (%) 20.9 19.8 20.0
Bilateral checkerboards Total number of cows tested 183 184 185
Number of cows included in data analysis 171 168 175
Proportion of lame cows (%) 22.8 23.8 22.3
Central Kong Total number of cows tested 184 184 181
Number of cows included in data analysis 137 154 153
Proportion of lame cows (%) 33.6 29.2 28.8