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Quarterly Aquatic Animal Disease Report (Asia-Pacific Region) – 2011/3Country: MALAYSIA Period: July - September 2011Item Disease status a/ Level ofDISEASES PREVALENT IN THE REGIONMonthdiagnosisFINFISH DISEASES July August SeptemberOIE-listed diseases1. Epizootic haematopoietic necrosis 0000 0000 00002. Infectious haematopoietic necrosis 0000 0000 0000 I,II,IIIEpidemiologicalcommentnumbers3. Spring viraemia of carp - - - I,II,III 14. Viral haemorrhagic septicaemia 0000 0000 0000 I,II,III5. Epizootic ulcerative syndrome (1986) (1986) (1986) I.II6. Red seabream iridoviral disease 0000 0000 0000 I,II,III7. Koi herpesvirus disease - - - I,II,III 2Non OIE-listed diseases8. Grouper iridoviral disease - - - III 39. Viral encephalopathy and retinopathy - - - III 410.Enteric septicaemia of catfish 0000 0000 0000MOLLUSC DISEASESOIE-listed diseases1. Infection with Bonamia exitiosa 0000 0000 00002. Infection with Perkinsus olseni 0000 0000 00003. Infection with abalone herpes-like virus 0000 0000 0000Non OIE-listed diseases4. Infection with Marteilioides chungmuensis 0000 0000 00005. Acute viral necrosis (in scallops) 0000 0000 00006. Akoya oyster disease 0000 0000 0000CRUSTACEAN DISEASESOIE-listed diseases1. Taura syndrome - - - I,III 52. White spot disease + + + I,III 63. Yellowhead disease - - - I,III 74. Infectious hypodermal and haematopoietic necrosis - - - I,III 85. Infectious myonecrosis - - - III 96.White tail disease (MrNV) - - - III 107. Necrotising hepatopancreatitis - - - III 11Non OIE-listed diseases8. Monodon slow growth syndrome - - -9. Milky haemolymph disease of spiny lobster (Panulirus spp.) 0000 0000 0000AMPHIBIAN DISEASESOIE-listed diseases1. Infection with Ranavirus - - -2. Infection with Batrachochytrium dendrobatidis 0000 0000 0000ANY OTHER DISEASES OF IMPORTANCE1. Hepatopancreatic parvo virus disease + - - III 122. Cyprinid herpesvirus2 (CyHV-2, GFHNV) + + + III 1317
Quarterly Aquatic Animal Disease Report (Asia-Pacific Region) – 2011/3DISEASES PRESUMED EXOTIC TO THE REGION bLISTED BY THE OIEFinfish: Infectious salmon anaemia; Gyrodactylosis (Gyrodactylus salaris).Molluscs: Infection with Bonamia ostreae; Marteilia refringens; Perkinsus marinus; Xenohaliotis californiensis.Crustaceans: Crayfish plague (Aphanomyces astaci).NOT LISTED BY THE OIEFinfish: Channel catfish virus diseasea/ Please use the following symbols:+ Disease reported or known to be present+? Serological evidence and/or isolation of causative agent butno clinical diseases? Suspected by reporting officer but presence not confirmed+( ) Occurrence limited to certain zones*** No information available0000 Never reported- Not reported (but disease is known to occur)(year) Year of last occurrenceb/ If there is suspicion or confirmation of any of these diseases, they must be reported immediately, because the region is considered free ofthese diseases1. Epidemiological comments:(Comments should include: 1) Origin of the disease or pathogen (history of the disease); 2) Species affected; 3) Disease characteristics (unusualclinical signs or lesions); 4) Pathogen (isolated/sero-typed); 5) Mortality rate (high/low; decreasing/increasing); 6) Death toll (economic loss,etc); 7) Size of infected areas or names of infected areas; 8) Preventive/control measures taken; 9) Samples sent to national or internationallaboratories for confirmation (indicate the names of laboratories); 10) Published paper (articles in journals/website, etc). and 11) Unknowndiseases: describe details as much as possible.)Comment No.1Spring viraemia of carp1. No positive cases detected (PCR) although active surveillance was conducted by DOF2Koi herpesvirus disease1. No positive cases detected (PCR) although active surveillance was conducted by DOF3Grouper Iridoviral disease (GIV)Diagnostic Cases:1. All fish (Grouper, Luthjanus sp, Epinephelus fuscoguttatus) samples from Kedah and Penang werenegative for Irido tested in NaFisH and DOF.4Viral encephalopathy and retinopathyDiagnostic Cases:2. All fish (Grouper, Luthjanus sp, Epinephelus fuscoguttatus) samples from Kedah and Penang werenegative for VNN tested in NaFisH and DOF.Taura syndrome virus (TSV) (P. monodon, Litopenaeus vannamei)51. TSV was not detected in all the samples sent to Lab Industrial Resources laboratory (LIR) for routineand monitoring purposes.2. No positive on reported cases detected by PCR although active surveillance was conducted by DOFin West and East Malaysia.18
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