Abstract

Infection with Marteilia refringens in Morocco.

OIE
OIE Disease Information (on-line)
19
33
2006
INFECTION WITH MARTEILIA REFRINGENS IN MOROCCO
Immediate notification report

Translation of information received on 9 August 2006 from Dr Hamid Benazzou, Director of Animal Production Department, Ministry of Agriculture and Rural Development, Rabat:

Report date:
3 August 2006.

Reason for immediate notification:
first occurrence or re-occurrence in a country or zone /compartment of the country, if the country or zone/compartment of the country was previously considered to be free of that particular disease.

Identification of agent: Marteilia refringens
.

Host species:
flat oyster( Ostrea edulis ).

Date of first confirmation of the event:
17 July 2006.

Date of start of the event:
13 April 2006.

Nature of diagnosis:
suspicion and laboratory.

Details of occurrence:
First administrative division
(province): Nador; Type of epidemiological unit: Atalayoun; Date of start of the outbreak: 13 April 2006; Species: mol; Number of animals in the occurrence: susceptible: … cases: 17; deaths: … ; destroyed: … ; … slaughtered:
Description of affected population: wild flat oysters in a semi-closed farming system.

Diagnosis:

Laboratories where diagnostic tests were performed:
National Fisheries Research Institute, Morocco / IFREMER(1) (OIE reference laboratory for mollusc diseases), France; Species examined: mol / mol; No. of animals examined: 30 / 30; Diagnostic tests used: histopathological examination / histopathological examination; Date: … / … Results: positive / positive

Control measures undertaken:
within-country movement controls and strengthening of epidemiological surveillance in zone 1 (Saïdia, Cap de Trois Fourches) in accordance with the animal health surveillance programme.

Treatment of affected animals:
no.

Final report:
yes.
(1) French Research Institute for Exploitation of the Sea
OIE