Tasmanian Abalone Biosecurity Framework
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Tasmanian Abalone Biosecurity Framework Judi Marshall WWF Abalone Aquaculture Dialogue Melbourne, April 29-30, 2008 Today's talk Background Objectives Risk assessment results Framework template Expected outcomes Tasmanian Response

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Tasmanian Abalone Biosecurity Framework

Judi Marshall

WWF Abalone Aquaculture Dialogue

Melbourne, April 29-30, 2008


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Today's talk

  • Background

  • Objectives

  • Risk assessment results

  • Framework template

  • Expected outcomes


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Tasmanian Response

  • Prohibition on Victorian abalone vessels operation in Tasmanian waters.

  • Ganglioneuritis listed as a notifiable disease in Tasmania.

  • Abalone product of non-Tasmanian origin prohibited in Tasmanian waters February 2007.

  • Moratorium on new abalone farms and flow through processor facilities.

  • Closure of Bass Strait zone March 2007.


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Impact on Tasmania

  • Restrictions on recreational and commercial fishing activities in Bass Strait and King Island. including requirement to land all commercial abalone from around King Island on King Island.

  • No processing King Island abalone in premises on mainland Tasmania that discharge into the marine environment.

  • Prohibition on possession of abalone and rock lobster for recreational fishers in certain waters with all recreational abalone and rock lobster to be landed in Tasmania


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Objectives: Biosecurity Policy

  • Tasmania’s biosecurity policy objective is “to protect and enhance Tasmania’s biosecurity status for the benefit of Tasmania’s industries, environment and public well-being, health, amenity, and safety.”

  • Two key elements are:

    • -Appropriate Level of Protection (ALOP)

    • -Shared responsibilities.

  • Tasmania’s ALOP is a high or very conservative level of protection aimed at reducing risk to very low levels, while not based on a zero risk approach.


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Risk Assessment Process

  • Delivered strategically identified risks across all fishing and farming sectors

  • Used the precautionary principle

  • All risks above very low have been integrated into the Abalone Biosecurity Framework


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Biosecurity Risk of Wild Sector

  • High Risks

    • Emergency Response for the Abalone Wild Fishing Sector

    • Movements of live animals from the wild into live holding facilities within Tasmania

    • Movements of live animals from the wild into processing facilities within Tasmania

    • Movement of equipment and personnel from Victoria or other state to Tasmanian waters

    • Movement of equipment and personnel by commercial divers around the State


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Biosecurity Risk of Wild Sector

  • Health surveillance program for the wild and farmed sector

  • Moderate Risks

    • Collection of live animals from the wild for farm brood stock.

    • Unloading of abalone for processor pick up where abalone is repacked on wharf or boat ramp


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Biosecurity Risk of the Processing Sector

  • Extreme Risk

    • Processing of whole interstate abalone

  • High Risk

    • Sale of abalone viscera as bait to commercial and recreational fishers.

    • Discharge of water from processor facilities into the marine environment


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Biosecurity Risk of the Processing Sector

  • Moderate risk

    • Discharge of water from live holding facilities into the marine environment.

    • Inappropriate disposal of waste materials such as viscera, and shell into the marine environment.

    • Movements of contaminated equipment from processing facilities to divers.

    • Movement of live animals to other processing facilities (ie between processors).

    • Processing of partially processed interstate abalone for canning purposes


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Biosecurity Risk of Farmed Sector

  • High Risks

    • Movements of abalone for purposes of emergency harvest from aquaculture facilities into processing facilities.

    • Movement of live animals to ocean based marine farms


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Biosecurity Risk of Farmed Sector

  • Moderate Risks

    • Discharge of water from farms into the marine environment

    • Movements of live animals from the wild into facilities as brood stock.

    • Movement of live animals to other land based aquaculture facilities.

    • Movements of live animals from aquaculture facilities into processing facilities.


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Biosecurity Risk of Farmed Sector

  • Low risks

    • Movement of equipment and personnel to other land based aquaculture facilities.

    • Unintentional transfer of live animals from farm to the marine environment via feral or escaped stock

    • Inappropriate disposal of shells and waste material into the marine environment


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Common Risks Between Sectors

  • Need for an emergency response plan

  • Movement of animals interstate and intrastate

  • Translocation of equipment (including boats, farm equipment, fish bins)

  • Discharge of waste water from all sectors

  • Disposal of animal waste from all sectors

  • Biosecurity surveillance program


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Framework Template

  • Biosecurity Regions

  • Key Sectors

  • Major Aspects

  • Additional Activities

  • Health Surveillance

  • Emergency Response




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Major Aspects

a. Fish health

b. Equipment

c. Personnel

d. Waste water

e. Animal waste

f. Who to contact

Baseline Protocols


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Additional Activities

a. Fish health

b. Equipment

c. Personnel

d. Waste water

e. Animal waste

f. Who to contact

Additional Protocols


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Additional Activities

  • Regional Biosecurity - fishing in high risk zones

  • Collection of broodstock for farming sector

  • Broodstock holding facilities

  • Translocation between farms

  • Sea-based marine farming


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Health Surveillance

Active surveillance

Passive surveillance

Health Surveillance Plan


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Health Surveillance

  • Passive

    • Educate fishers and aquaculture operators

    • System for submission for testing catch

  • Active

    • Targeted active surveillance – High risk areas

    • Broodstock health surveillance


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Emergency response

Isolation

Zoning

Surveillance

Eradication

Emergency Response Plan


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Emergency response

  • ISOLATION of any outbreak

    • Management controls on movements

  • ZONING (Biosecurity regions)

  • SURVEILLANCE

    • Passive & Active

  • ERRADICATION


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Expected Outputs

  • A biosecurity strategy to minimise risk in the abalone sector;

  • Documented risk assessment;

  • Documented and agreed performance requirements in the commercial wild harvest fishery, recreational fishery and marine framing sectors;

  • High level protection of abalone stocks to disease outbreak;

  • Emergency Disease Response plan “at the ready” should a disease outbreak occur.


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