TABLE 3.
Urease activity in H. felis-infected and control cats
| Cat | Time to color change at sitea
|
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 (cardia) | Fundus
|
Body
|
Pylorus
|
10 (pyloric canal) | ||||||
| 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |||
| H. felis infected | ||||||||||
| 1 | 4 | 2 | 4 | 2 | 4 | 0 | 4 | 4 | 4 | 3 |
| 2 | 4 | 3 | 2 | 2 | 3 | 1 | 0 | 0 | 2 | 0 |
| 3 | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4 | 3 | 3 | 0 | 3 | 3 | 2 | 0 | 0 | 0 | 0 |
| 5 | 4 | 4 | 2 | 3 | 3 | 2 | 2 | 1 | 0 | 0 |
| Control | ||||||||||
| 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
a
Gastric tissue samples were obtained from 10 standardized sites at 12 months (37). The time taken for a color change in the indicator solution from red to pink was recorded as follows: 4, <4 h; 3, <12 h; 2, <24 h; 1, <48 h; and 0, negative after 48 h.