Table 1 Scoring of the presence of macrophages, T- lymphocytes and B-lymphocytes in bronchus-associated lymphoid tissue (BALT) and the number of M. hyopneumoniae organisms (log) in the bronchoalveolar lavage (BAL) fluid¹

control

1.0 ± 0.0

0.0 ± 0.0

0.5 ± 0.5

0.5 ± 0.5

0.0 ± 0.0^{a, b}

0.3 ± 0.2

-0.76 ± 0.21^a

-0.69 ± 0.41^a

nvLV

1.2 ± 0.2

0.5 ± 0.5

2.0 ± 0.5

0.8 ± 0.7

0.7 ± 0.5^{a, b}

1.3 ± 0.8

1.25 ± 0.74^{a, b}

2.41 ± 0.59^b

nvHV

1.4 ± 0.2

1.2 ± 0.3

2.8 ± 0.2

1.6 ± 0.3

1.6 ± 0.9^b

1.0 ± 0.4

3.44 ± 0.35^b

1.89 ± 0.71^{a, b}

vLV

0.8 ± 0.4

0.5 ± 0.2

1.4 ± 0.6

0.9 ± 0.2

0.0 ± 0.0^a

0.1 ± 0.1

0.97 ± 0.53^{a, c}

2.29 ± 0.39^b

vHV

1.0 ± 0.3

1.0 ± 0.2

1.6 ± 0.4

1.5 ± 0.2

0.0 ± 0.0^a

0.2 ± 0.1

1.96 ± 0.43^{b, c}

1.80 ± 0.48^b