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. 2014 Jan;78(1):17–22.

Table I.

Daily average colony-forming units (CFUs)/reaction and standard deviation (SD) from pigs in treated and control groups

Days after treatment Average CFU/reaction ± (SD)

Tonsil Nasal


Control Treatment Control Treatment
0 1.8 × 105 (1.5 × 105)a 3.5 × 105 (4.3 × 105) 1.0 × 104 (1.9 × 104) 1.1 × 104 (2.7 × 104)
1 4.0 × 104 (8.0 × 104) 0c 6.4 × 103 (8.2 × 103) 0
2 2.0 × 105 (3.8 × 105) 0 1.2 × 104 (1.1 × 104) 0
3 1.5 × 105 (3.3 × 105) 6.8 × 105b 6.4 × 104 (1.5 × 105) 0
4 2.3 × 103 (1.7 × 103) 0 3.8 × 104 (2.2 × 104) 0
5 4.6 × 103 (2.8 × 103) 0 4.0 × 104 (3.3 × 104) 0
6 8.0 × 103 (1.3 × 104) 0 7.6 × 103 (1.0 × 104) 0
7 1.8 × 103 (1.8 × 103) 3.9 × 104 1.1 × 104 (1.6 × 104) 0
8 1.8 × 103b 0 1.2 × 105 (9.3 × 103) 0
9 7.0 × 103 3.0 × 105 5.1 × 104 (4.2 × 104) 0
10 2.7 × 104 (2.7 × 104) 0 2.0 × 105 (1.2 × 105) 0
11 4.6 × 104 (3.5 × 104) 0 2.3 × 105 (8.8 × 104) 1.8 × 104
12 1.9 × 103 (2.5 × 103) 0 2.9 × 105 (2.7 × 105) 0
13 3.7 × 103 (3.2 × 103) 2.6 × 103 (3.1 × 103) 4.0 × 105 (1.5 × 105) 3.7 × 104
14 2.2 × 103 (1.9 × 103) 2.1 × 103 (1.0 × 103) 2.6 × 105 (3.5 × 104) 9.3 × 104
a

Average ± standard deviation.

b

Only one pig positive in the group.

c

No positive pigs in the group.