More than 2 million pearl pearl oysters die massively Mie Shima September 9 18:06

In Ago Bay in Shima City, Mie Prefecture, which is known as the production area of ​​cultured pearls, a large number of pearl oysters were used for aquaculture. Investigations in Mie Prefecture revealed that the damage has exceeded at least 2 million. It was.

In July, it was found that the pearl oyster used for pearl farming in Ago Bay, Shima City, was called “Gaito Membrane” and died in a contracted state of the so-called shell lacquer. But similar damage was confirmed.

Mie Prefectural Fisheries Research Institute, etc. conducted a questionnaire survey of 252 aquaculture companies in the prefecture until the 30th of last month, and 48% responded.

As a result, the number of damage to the pearl oysters was approximately 2.09 million, including 1,677,000 larvae in the second half of the year, 300,000 in the second year shellfish, and 115,000 in the third year shellfish.

According to Mie Prefecture, the total number of pearl oysters in the prefecture is approximately 10.22 million, and this survey revealed the fact that at least 20% of the whole died. Because the prefecture has less than half of the survey responses, the actual damage is even greater.

The mortality rate of shellfish by age is 70% for juvenile shellfish, 23% for 2-year shellfish and 24% for 3-year shellfish, with juvenile shellfish protruding at a high rate.

The cause of the death of the pearl oyster is currently unknown, and the Prefectural Fisheries Research Institute is urgently identifying the cause next month, including genetic testing at Mie University and national research institutions.

In Mie Prefecture, as a management support measure for pearl farmers, a consultation desk was set up in the prefectural office on the 9th, and we will also provide support such as interest-free when the trader receives a loan from next month.

Governor of Mie Prefecture “Measures with a sense of speed”

Governor Suzuki of Mie Prefecture said that the damage of pearl oysters has exceeded 2 million. “The impact will be multiple years, so we take it seriously. As the population is aging, I want to take measures with a sense of speed while snuggling as a prefecture. "