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Mean concentration of ammonia in nasal cavity and tonsil of pigs on day 3 and mean pH of mucus in nasal cavity and tonsil of pigs on day 4 of the experimenta
| Group | Mean ± SD pH
|
Mean ± SD ammonia concn (mM)
|
||
|---|---|---|---|---|
| Nasal | Tonsillar | Nasal | Tonsillar | |
| A and B | 7.2 ± 0.288 | 6.9 ± 0.235 | 7.1 ± 2.657 | 3.7 ± 1.699 |
| C and E | 7.2 ± 0.310 | 6.9 ± 0.296 | 2.2 ± 1.140 | 0.5 ± 1.620 |
The numbers of pigs in each group were as follows: group A, n = 6; group B, n = 6; group C, n = 7; group D, n = 7; group E, n = 4.
