Additional file 6.

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10 (control). Undosed control steer, examined prior to cull at 45 months of age. It over-reacts to facial stimuli, but not menace response testing. The head tossing activity does not resemble the head bobbing movements of steer 139. During locomotion the steer appears calm and stops to explore various objects along its path. This steer was negative for BSE by postmortem tests.

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Konold et al. BMC Veterinary Research 2010 6:53   doi:10.1186/1746-6148-6-53