Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Main mortality rate of Crassostrea gigas in the different French growing areas between 1998 and 2006 (passive surveillance) and proportions of OsHV-1 positive samples in each area (passive and active surveillance).
| Mediterranean lagoons | Arcachon Bay | Charente-Maritime | Vendée | South Brittany | North Brittany | Normandy | |
|---|---|---|---|---|---|---|---|
| Mean mortality rate | 41% | 39% | 37% | 38% | 43% | 40% | 50% |
| Mean OsHV-1 detection | 18% | 5% | 18% | 35% | 22% | 14% | 14% |
