Welcome to FIS   Sponsored By
United States
Subscribe to FIS | Register with FIS | Advertise with FIS | Newsletter | About FIS | Contact us
   


Farmed shrimp. (Photo Credit: Terje Engoe)

Environmental trigger for EMS uncovered

Click on the flag for more information about Malaysia MALAYSIA
Thursday, June 13, 2013, 00:40 (GMT + 9)

Research conducted on early mortality syndrome (EMS) at a large integrated shrimp farm in Malaysia has indicated that the disease repeatedly manifests in ponds with an increase in pH to 8.5 to 8.8.

Conducted by Noriaki Akazawa, managing director of Agrobest Sdn Bhd, with assistance from Kinki University and the National Research Institute of Aquaculture in Japan, the PhD research is featured in an article in the upcoming July-August edition of the Global Aquaculture Advocate, the Global Aquaculture Alliance’s (GAA) bimonthly magazine.

The full research results are being prepared for publication in a peer-reviewed journal.

EMS, more technically known as acute hepatopancreatic necrosis syndrome (AHPNS), has had a significant impact on shrimp production in Southeast Asia. The research results are encouraging because they provide shrimp farmers with a tool to improve management of the disease in ponds.

The research was conducted at Agrobest Sdn Bhd farm in Pahang, Malaysia, which produces Pacific white shrimp and black tiger shrimp in 461 plastic-lined ponds.

EMS first appeared at the farm in early January 2011 in five ponds stocked with postlarvae from the same hatchery about one month earlier. Within two months, the disease had spread throughout the farm. Typical mortality in the affected ponds was 70 to 80 per cent, and all ages and sizes of shrimp were affected.

A review of water quality data from approximately 80 affected and unaffected ponds stocked during the same month indicated several water quality differences that were correlated with outbreaks. The researchers then conducted replicated aquarium trials with controlled levels of various parameters.

These tests confirmed that the disease repeatedly regressed at lower pH (around 7) and manifested at higher pH (8.5 to 8.8). Survival rates in Agrobest ponds have greatly improved with management of pH to avoid the zone of EMS susceptibility.

These findings come about six weeks after a research team led by Dr Donald Lightner at the University of Arizona reported that EMS is caused by a bacterial agent. Lightner’s research will also be featured in the July-August edition of the Advocate.

Related article:

-
Scientists discover pathogen behind EMS outbreaks

editorial@fis.com
www.fis.com


 Print


Click to know how to advertise in FIS
MORE NEWS
Canada
Dec 19, 03:00 (GMT + 9):
Cooke’s expansion plans delayed in Nova Scotia
Australia
Dec 19, 02:40 (GMT + 9):
IN BRIEF - One of world's most invasive fish detected in New South Wales for first time
United States
Dec 19, 02:40 (GMT + 9):
IN BRIEF - Shrimp season to close in some parts of the state
Viet Nam
Dec 19, 02:40 (GMT + 9):
IN BRIEF - Seafood exports in 2014 may reach nearly USD 8 billion
United Kingdom
Dec 19, 02:40 (GMT + 9):
IN BRIEF - Iglo Group to roll out MSC logo on all wild fish lines
Brazil
Dec 19, 02:10 (GMT + 9):
Mato Grosso leads the Brazilian aquaculture production
France
Dec 19, 01:50 (GMT + 9):
IN BRIEF - Corporate governance changes at SAPMER
Viet Nam
Dec 19, 01:50 (GMT + 9):
IN BRIEF - South Korea FTA signed: seafood enjoys benefits
Philippines
Dec 19, 01:50 (GMT + 9):
IN BRIEF - PH shrimp trade good, but laggard in Asia
Netherlands
Dec 19, 01:20 (GMT + 9):
ASC to develop one core fish farm standard
Spain
Dec 18, 23:50 (GMT + 9):
EUR 800,000 granted to fleet operating in Mauritania
Norway
Dec 18, 23:30 (GMT + 9):
Healthier salmon through exercise and better sorting
United Kingdom
Dec 18, 23:00 (GMT + 9):
EU deal will mean an additional GBP 10 million for Scottish fleet
Peru
Dec 18, 22:30 (GMT + 9):
Shrimp fishing under ban
Norway
Dec 18, 21:40 (GMT + 9):
Salmon price status at week 51



Lenguaje
FEATURED EVENTS
  
TOP STORIES
Norwegian fish intake offers no concerning health risks
Norway Fish consumption benefits clearly outweigh its risks, since the current contaminant levels as well as that of other known undesirable substances offer no concern.
New labelling and biotoxin analysis worry mussel industry
Spain This Saturday the new rules of the EU allowing packaging mussel without explicit mention of the country of origin or the species used will come into force, which concerns raft fishermen and mussel farmers from Galicia.
Odisha seeks to increase seafood export to Portugal
India Odisha's Government proposes to boost seafood exports from this market to Portugal, given that this nation is one of those having the highest worldwide's per capita consumption of marine food.
Massachusetts AG calls for reauthorization of fisheries legistlation
United States In a letter sent on Friday to the Chair of the House Committee on Natural Resources, Attorney General of Massachusetts stated her strong support of the reauthorization of the Magnuson-Stevens Act.
 
Maruha Nichiro Corporation
Nichirei Corporation -Headquarter-
Pesquera El Golfo S.A.
Ventisqueros - Productos del Mar Ventisqueros S.A
Wärtsilä Corporation -Wartsila Group Headquarter-
ITOCHU Corporation -Headquarter-
BAADER - Nordischer Maschinenbau Rud. Baader GmbH (Head Office)
Inmarsat plc - Global Headquarters
Marks & Spencer
Tesco PLC (Supermarket) - Headquarters
Pescanova, S.A. - Group Headquarters
Sea Harvest Corporation (PTY) Ltd.
I&J - Irvin & Johnson Limited
Blue Continent Products (Pty) Ltd - (Oceana Group Limited)
Pesquera San Jose S.A.
Nutreco N.V. - Head Office
CNFC China National Fisheries Corporation - Group Headquarters
W. van der Zwan & Zn. B.V.
SMMI - Sunderland Marine Mutual Insurance Co., Ltd. - Headquarters
Icicle Seafoods Inc. -Headquarter-
Starkist Seafood Co. - Headquearters
Trident Seafoods Corp.
American Seafoods Group LLC - Head Office
Marel ehf - Group Headquarters
SalMar ASA - Group Headquarters
Sajo Industries Co., Ltd
Hansung Enterprise Co.,Ltd.
BIM - Irish Sea Fisheries Board (An Bord Iascaigh Mhara)
CEFAS - Centre for Environment, Fisheries & Aquaculture Science
COPEINCA ASA - Corporacion Pesquera Inca S.A.C.
Chun Cheng Fishery Enterprise Pte Ltd.
Food Project (Siam) Co., Ltd.
VASEP - Vietnam Association of Seafood Exporters & Producers
Gomes da Costa
Furuno Electric Co., Ltd. (Headquarters)
NISSUI - Nippon Suisan Kaisha, Ltd. - Group Headquarters
FAO -Food and Agriculture Organization- Fisheries and Aquaculture Department (Headquarter)
Hagoromo Foods Co., Ltd.
Koden Electronics Co., Ltd. (Headquarters)
A.P. Møller - Maersk A/S - Headquarters
BVQI - Bureau Veritas Quality International (Head Office)
UPS - United Parcel Service, Inc. - Headquarters
Hamburg Süd Group - (Headquearters)
Armadora Pereira S.A. - Group Headquarters
NOAA - National Oceanic and Atmospheric Administration (Headquarters)
Omega Protein Corporation -Headquarter-
Grupo Calvo - Luis Calvo Sanz, S.A. (Group Headquarter)
Marona S.A.
Marine Harvest ASA - Headquarters
Marubeni Europe Plc -UK-
Findus Ltd
Icom Inc. (Headquarter)
WWF Centroamerica
Oceana Group Limited
The David and Lucile Packard Foundation
Ajinomoto Co., Inc. -Headquarter-
Friosur S.A. - Headquarters
Cargill, Incorporated - Global Headquarters
Benihana Inc.
Leardini Pescados Ltda
Mitsubishi Corporation Marine Products Depts. D.Team
CJ Corporation  -Holding Headquarter-
Greenpeace International - The Netherlands
David Suzuki Foundation
Fisheries and Oceans Canada -Communications Branch-
Mitsui & Co.,Ltd - Headquarters
Ocean Trawlers Group - Ocean Trawlers HK Ltd.
Natori Co., Ltd.
Carrefour Supermarket - Headquarters
FedEx Corporation -Headquarter-
AKBM - Aker BioMarine ASA
Seafood Choices Alliance -Headquarter-
Austevoll Seafood ASA
Walmart / Wal-Mart Stores, Inc. (Supermarket) -Headquarter-
New Japan Radio Co.Ltd (JRC) -Head Office-
Gulfstream JSC
INVE Group - Head Office
Marine Stewardship Council - MSC Worldwide Headquarters
Royal Dutch Shell plc (Headquarter)
Genki Sushi Co.,Ltd -Headquarter-
Iceland Pelagic ehf
AXA Assistance Argentina S.A.
Caterpillar Inc. - Headquarters
Tiger Brands Limited
Morpol ASA - Group Headquarters
SeaChoice
National Geographic Society
AmazonFresh, LLC - AmazonFresh

Copyright 1995 - 2014 Fish Info & Services Co.Ltd| All Rights Reserved.   DISCLAIMER