Pearl pearl oyster mass death Nagasaki Prefecture also dies 30-40% of fry shellfish September 9 16:04
While the massive death of pearl oysters used for pearl farming has become a problem in various places, one of the nation's production areas, Nagasaki Prefecture, found that 30% to 40% of juveniles were dead, according to a survey by the fishery cooperative. It was.
Massive death is a problem in Ehime and Mie prefectures, where oyster oyster production is thriving, but pearl oysters that die in the same way in Nagasaki Prefecture were found by several farmers.
Nagasaki Prefecture Pearl Culture and Fishery Cooperative Association, which is made by aquaculture companies, held a special meeting on the 7th and conducted a questionnaire survey on 29 aquaculture companies excluding Tsushima. I stayed below, but it was found that the average was about 30% to 40%.
Some farmers raised about 70% to 80% of the larvae, but none of them had any damage to the mother shells that contain the pearl cores, and there was no impact on the shipments. about it.
The fishery cooperative will immediately produce new larvae next month and provide them free of charge to the devastated farmers.
Zenshinren = Tetsuya Fujita, the head of the prefecture's pearl farming and fishery cooperative, who also serves as the president of the National Pearl Culture and Fishery Cooperative Association, After saying "I understand," Zenshinren summed up the nationwide damage situation this month and showed the idea of reporting to the country next month.