Table 1.

Distribution of breathing sounds

	0 Clear breath sounds with no abnormalities	1 Increased breath sounds without elements of tone or pitch	2 Increased breath sounds with elements of tone or pitch	Total
Control	10 (100%)	0	0	10
EX	15 (100%)	0	0	15
SS	4 (20%)	0	16 (80%)	20
EXS	16 (72.7%)	4 (18.2%)	2 (9.1%)	22

EX, control rat with exercise; SS, aerosolized ovalbumin; EXS, exercise.