The researchers found that
Lightner’s team identified the EMS/AHPNS pathogen as a unique strain of a relatively common bacterium, Vibrio parahaemolyticus, that is infected by a virus known as a phage, which causes it to release a potent toxin. A similar phenomenon occurs in the human disease cholera, where a phage makes the Vibrio cholerae bacterium capable of producing a toxin that causes cholera’s life-threatening diarrhea.
GAA said research continues on the development of diagnostic tests for rapid detection of the EMS/AHPNS pathogen that will enable improved management of hatcheries and ponds, and help lead to a long-term solution for the disease. It will also enable a better evaluation of risks associated with importation of frozen shrimp or other products from countries affected by
Some countries have implemented policies that restrict the importation of frozen shrimp or other products from EMS-affected countries. The researchers frozen shrimp likely pose a low risk for contamination of wild shrimp or the environment because EMS-infected shrimp are typically very small and do not enter international commerce. Also, repeated attempts to transmit the disease using frozen tissue were unsuccessful.
Since EMS was first reported in
(seafood.vasep.com.vn) Alongside the development of high-tech shrimp farming, Ha Tinh Province is accelerating the cultivation of high-value freshwater aquatic species, with red tilapia emerging as an effective and sustainable farming model.
(vasep.com.vn) Vietnam’s tuna exports reached USD 81 million in April 2026, down 6% compared to the same period in 2025. In the first four months of the year, export turnover totaled USD 289 million, down 4.8%. Although the overall export picture has yet to brighten significantly, market trends are becoming increasingly diversified rather than moving in a single direction.
(seafood.vasep.com.vn) Vietnam’s pangasius industry is undergoing strong restructuring starting from the broodstock and fingerling segment in order to improve productivity, quality, and export competitiveness. This is considered a critical foundation for the sustainable development of the industry amid rising production costs and increasingly stringent market requirements.
(seafood.vasep.com.vn) According to Vietnam Customs data, pangasius exports in April 2026 reached USD 206 million, up 18% compared to the same period in 2025 — marking another consecutive month of double-digit growth since the beginning of the year. Cumulative pangasius export turnover in the first four months of 2026 reached USD 720 million, up 17% year-on-year, reflecting the positive growth momentum of this key export product.
(seafood.vasep.com.vn) Vietnam’s shrimp exports in the first four months of 2026 maintained positive growth momentum, reaching approximately USD 1.5 billion, up 15% compared to the same period last year. However, behind this result lies diverging trends across markets, as the global shrimp industry continues to face pressure from inflation, high inventories, price competition, and increasing trade risks.
(seafood.vasep.com.vn) In Vinh Tuy commune (Kien Giang Province), many shrimp farmers are adopting bottom aeration systems and reporting clear economic benefits, helping increase income and reduce production risks.
(vasep.com.vn) In the first three months of 2026, Vietnam’s exports of crabs and other crustaceans reached more than USD 93 million, up 23% compared to the same period last year. The result shows that the sector is experiencing a fairly positive recovery, especially in its two key product groups: crabs and swimming crabs. However, behind the growth figures are several concerns: export markets remain highly concentrated, raw material supply is unstable, and trade barriers from the US and EU are becoming increasingly stringent.
(seafood.vasep.com.vn) In Ca Mau province, many farmers are transitioning from traditional methods to high-tech shrimp farming, adopting recirculating systems with minimal water exchange to improve efficiency and reduce risks. In Hung My commune alone, there are about 260 super-intensive shrimp farming households covering more than 265 hectares, playing a key role in local economic development.
(seafood.vasep.com.vn) In the first three months of 2026, Vietnam’s exports of fish cake and surimi reached USD 63 million, down 5% compared to the same period last year. Although total export value declined slightly due to decreases in some key markets, many other destinations continued to post strong growth, opening up room for this convenience-oriented processed segment in the coming quarters.
(seafood.vasep.com.vn) Favorable weather conditions in the early months of 2026 have brought encouraging signs for fisheries activities in Quang Tri. Output has grown steadily, contributing to improved livelihoods for local residents.
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