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Aquaculture Environment Interactions

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AEI 11:291-304 (2019)  -  DOI: https://doi.org/10.3354/aei00314

REVIEW
Disease threats to farmed green-lipped mussels Perna canaliculus in New Zealand: review of challenges in risk assessment and pathway analysis

A. Castinel1,4, S. C. Webb1,*, J. B. Jones2, E. J. Peeler3, B. M. Forrest1

1Cawthron Institute, Nelson 7010, New Zealand
2Murdoch University, Murdoch, Western Australia 6150, Australia
3Centre for Aquaculture Fisheries and the Environment, Weymouth DT4 8UB, UK
4Present address: PO Box 5142, Nelson 7010, New Zealand
*Corresponding author:

ABSTRACT: The endemic green-lipped mussel (GLM) Perna canaliculus is a key cultural and economic species for New Zealand. Unlike other cultured shellfish species, GLMs have experienced relatively few disease issues. The apparent absence of diseases in both wild and farmed GLM populations does not preclude risks from environmental changes or from the introduction of overseas mussel pathogens and parasites. Potential for disease exchange between the GLM and other mytilid species present in New Zealand has yet to be elucidated. After reviewing and discussing relevant scientific literature, we present an initial assessment of GLM vulnerability to disease threats and the potential risk pathways for mussel pathogens and parasites into New Zealand and highlight a number of challenges. These include knowledge gaps relevant to GLM susceptibility to exotic pathogens and parasites, risk pathways into New Zealand and biosecurity risk associated with domestic pathways. Considerations and findings could potentially apply to other farmed aquatic species with limited distribution range and/or low disease exposure.


KEY WORDS: Mussel · Disease · Shellfish · Risk pathways · Risk management · Biofouling


Full text in pdf format  
Cite this article as: Castinel A, Webb SC, Jones JB, Peeler EJ, Forrest BM (2019) Disease threats to farmed green-lipped mussels Perna canaliculus in New Zealand: review of challenges in risk assessment and pathway analysis. Aquacult Environ Interact 11:291-304. https://doi.org/10.3354/aei00314

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