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CASE NOTES


Aquatic Disease investigations: Elizabeth Macarthur Agricultural Institute (EMAI)

Jeffrey Go, Zoe Spiers, Deb Finlaison, Cheryl Jenkins, New South Wales Department of Primary Industries

Diseases of aquatic organisms are covered under the following Act and subordinate legislation.

Aquatic notifiable diseases in NSW

Aquatic notifiable diseases: Prohibited matter: Finfish Diseases

Bacterial kidney disease
Channel catfish virus disease
Enteric redmouth disease
Enteric septicaemia of catfish
European catfish virus
European sheatfish virus
Furunculosis
Grouper iridoviral disease
Gyrodactylosis
HPR-deleted or HPR0 infectious salmon anaemia virus
Infectious haematopoietic necrosis of finfish
Infectious pancreatic necrosis of finfish
Infectious spleen and kidney necrosis virus-like viruses (ISKNV)
Koi herpesvirus disease
Piscirickettsiosis
Red sea bream iridoviral disease
Salmonid alphavirus
Spring viraemia of carp
Viral haemorrhagic septicaemia of finfish
Whirling disease

Aquatic notifiable diseases: Prohibited matter: Crustacean and Mollusc Diseases

Crustacean Diseases
Acute hepatopancreatic necrosis disease (AHPND) of crustaceans
Candidatus Hepatobacter penaei
Crayfish plague
Enterocytozoon hepatopenaei
Infectious hypodermal and haematopoietic necrosis of crustaceans
Infectious myonecrosis of crustaceans
Monodon slow growth syndrome
Necrotising hepatopancreatitis of crustaceans
Taura syndrome of crustaceans
White spot disease of crustaceans
White tail disease of crustaceans
Yellowhead disease/Yellowhead virus
Mollusc Diseases
Abalone viral ganglioneuritis
Bonamia exitiosa
Bonamia ostreae
Iridoviroses of molluscs
Marteilia refringens
Marteilioides chungmuensis
Mikrocytos mackini
Perkinsus marinus
Xenohaliotis californiensis

Aquatic notifiable diseases: Notifiable biosecurity matter

Finfish:
Epizootic haematopoietic necrosis of fish (EHN virus)
Epizootic ulcerative syndrome of fish (Aphanomces invadans)
Goldfish ulcer disease (Aeromonas salmonicida atypical strains)
Viral encephalopathy and retinopathy (VER; betanodavirus)
Crustaceans:
Gill-associated virus disease (GAV)
Thelohaniosis
Mollusc:
Bonamia sp.
Ostreid herpesvirus–µ variant—OsHV–1 µvar (OsHV1) that causes Pacific Oyster Mortality Syndrome (POMS)
Perkinsosis (Perkinsus olseni)
QX disease (Marteilia sydneyi)
Winter mortality (of Sydney Rock Oysters)

Types of Aquatic Submissions to EMAI

Submissions of suspected disease events are received at EMAI through Aquatic Biosecurity. These include suspect notifiable disease reports, emerging disease issues including reports from concerned members of the public and mortality investigations from NSW DPI facilities. In these cases, laboratory charges covered by Aquatic Biosecurity. These cases also include occasional submissions made through LLS District Veterinarians.

EMAI also receives submissions direct from producers. These are generally production diseases where costs charged directly to submitter, or health certification prior to translocation of stock.

If you suspect an aquatic disease event

Aquatic disease events may involve wildlife, farmed aquatic organisms or hobbyist collections. In each case, the first principles of disease investigations apply, including good history taking, observations of environment, gross abnormalities and signalment patterns. Working with the laboratory staff can assist in sample collection, storage and sending requirements, to maximise diagnostic return.

EMAI has significant capability and capacity for the investigation of aquatic disease events. Aquatic Biosecurity is involved in co-ordinating submissions from notifiable and emerging aquatic disease events, and can assist field veterinarians in the initial sampling and triage process.

Aquatic disease investigations involve extensive collaboration between submitting veterinarians, Aquatic Biosecurity and laboratory staff in veterinary pathology, microbiology & parasitology and virology. LLS staff can also play a significant role in investigating and submitting samples from aquatic disease events.

Contacts

Elizabeth Macarthur Agricultural Institute:

P: 1800 675 623

E: laboratory.services@dpi.nsw.gov.au

8:30am-4:30pm Monday-Friday (excluding public holidays)

To report suspect notifiable animal pests and diseases phone: Animal Biosecurity Emergency Hotline 1800 675 888 (available 24-hours a day)

 


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