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Distribution of M. bovis positive cultures and culture scores in the tissues of each group
MGIT culture positive: oblique lines; solid culture positive: vertical lines; both MGIT and solid culture positive: horizontal lines. Culture score is the sum of the scores of all tissues per animal.
R: right, L: left, EC: endotracheally challenged, OC: oral challenged, AC: after challenge, LN: lymph node.
