Flat oyster parasite found at Stewart Island

Cawthron Institute scientists are well-placed to respond to the discovery of Bonamia ostreae at oyster farms on Stewart Island.

Bonamia ostreae is a parasite that poses substantial threat to flat oysters, and this afternoon the Ministry of Primary Industries (MPI) confirmed they have detected it at two Stewart Island farms.

Cawthron Institute Aquaculture Group Manager, Dr Serean Adams explained the need for research in this area. Dr Adams said, “Bonamia ostreae was discovered at the top of the South Island two years ago and has now been found at Stewart Island farms.

“We know European flat oysters have been impacted by this pathogen, and indications from overseas research suggests selective breeding for resilience is possible. Much of our current knowledge is based on the experiences of countries with related oyster species. (…) (scoop.co.nz, 31/05/2017)

The article


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