TABLE 7.
Prevalence and intensity of C. molnari in gilthead sea bream surveyed in study D
| Type of facility | Groupa | Sampling date | nb | Fish weight (g) | Prevalence (%) | MIc |
|---|---|---|---|---|---|---|
| Preongrowing | D-PGF1-1 | Jul 2001 | 20 | 2.1 ± 0.5 | 25 | 5.7 |
| D-PGF2-1 | May 2001 | 20 | 12.8 ± 1.8 | 0 | 0 | |
| D-PGF3-1 | May 2000 | 20 | 67.9 ± 11.7 | 10 | 1 | |
| D-PGF3-2 | Sept 2000 | 18 | 38.7 ± 14.2 | 11.1 | 2 | |
| Sea cages | D-F1-1 | Apr 1999 | 10 | 123.4 ± 36.6 | 10 | 1 |
| D-F1-2 | Mar 2000 | 20 | 17.1 ± 5.8 | 10 | 2 | |
| D-F2-1 | Jul 1999 | 8 | 127.6 ± 49.6 | 0 | 0 | |
| D-F3-1 | Jul 1999 | 7 | 121.9 ± 31.7 | 0 | 0 | |
| Sept 1999 | 12 | 244.2 ± 34.9 | 0 | 0 | ||
| D-F3-2 | Jul 1999 | 8 | 81.9 ± 29.7 | |||
| D-F3-3 | Jul 1999 | 10 | 20.1 ± 6.4 | 8 | 3.8 | |
| D-F3-4 | Jul 1999 | 10 | 21 ± 5.3 | 8 | 2.1 | |
| Ongrowing earth ponds | D-F6-1 | Feb 2000 | 12 | 27.8 | 50 | 4.3 |
| Concrete ponds | D-F7-1 | May 2001 | 20 | 3.0 ± 1.1 | 0 | 0 |
| June 2001 | 20 | 5.4 ± 2.2 | 0 | 0 | ||
| Indoor ongrowing tanks and experimental facilities | D-IATS-1 | June 2000d | 20 | 3.9 ± 1.1 | 65 | 2.86 |
| Jul 2000 | 9 | 6.5 ± 2.3 | 0 | 0 | ||
| Aug 2000 | 20 | 16.9 ± 5.4 | 5 | 1 | ||
| Feb 2001 | 10 | 65.1 ± 7.8 | 0 | 0 | ||
| D-IATS-2 | Jul 2000e | 20 | 4.5 ± 1.3 | 10 | 3.5 | |
| Sept 2000 | 20 | 32.7 ± 8.3 | 5 | 1 | ||
| Feb 2001 | 10 | 68.7 ± 13.6 | 0 | 0 |
a
The corresponding farm or facility is included in the designation of each group.
b
n, number of fish examined.
c
MI, mean intensity of infection.
d
First sampling in the preongrowing facilities of F7.
e
First sampling in PGF-4.