Canadian agency reports oyster parasite already hurting Prince Edward Island industry has appeared in New Brunswick

Published Nov 22, 2024

Tridge summary

The Canadian Food Inspection Agency (CFIA) has confirmed the presence of two diseases, MSX and Dermo, in oysters at Spence Cove, New Brunswick. Both diseases are not a health risk to humans but cause increased mortality and slowed growth in oysters. This is the first confirmation of MSX in New Brunswick and the first confirmation of Dermo in Canada. The CFIA, Canada’s Department of Fisheries and Oceans, and provincial officials are working with stakeholders to monitor the situation and limit the spread of the pathogens. The response will include increased surveillance, tracing activities, and testing of oysters.

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Original content

The Canadian Food Inspection Agency (CFIA) has confirmed the presence of two different oyster diseases in Spence Cove, New Brunswick, Canada.The CFIA reported the presence of multinucleate sphere unknown (MSX), caused by the parasite Haplosporidium nelsoni, and Dermo, also known as Perkinsosis, which is caused by Perkinsus marinus, in Spence Cove. Neither pathogen poses a health risk to humans, and the oysters are still safe to eat; however, both cause increased oyster mortality and decreased growth rates. “This is the first confirmed case of MSX in New Brunswick and the first confirmed case of Dermo in Canada,” the CFIA said. To limit the spread of the pathogens, CFIA, Canada’s Department of Fisheries and Oceans (DFO), and provincial officials in New Brunswick are working with stakeholders and Indigenous communities to monitor the situation. “These actions are part of the Canada's One Health approach to prepare for, detect, and manage animal ...

Source: Seafoodsource