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ผู้เขียน หัวข้อ: Australia; The New Import Regulations  (อ่าน 1576 ครั้ง)
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« เมื่อ: กันยายน 23, 2007, 10:20:17 AM »

http://www.shrimpnews.com
 
In a letter to the editor of Austasia Aquaculture, Ben Diggles, Ph.D., DigsFish Services (aquatic animal health services), writes about the new import regulations that are about to stop imports of raw frozen shrimp into Australia:
 
The fact that Australians wish to eat more seafood does not give seafood importers a license to endanger local industries and our environment by continuing to import high risk commodities, like raw shrimp, from places where exotic diseases occur.
 
WSSV infects not only shrimp, but all life stages of all decapod crustaceans.  In fact, WSSV can cause disease not only in shrimp, but also in a wide range of crustaceans including crabs, lobsters and freshwater crayfish.
 
It is a very simplistic view to state that overseas experience suggests there is no evidence that WSSV has caused measurable impacts on wild populations of shrimp (or crabs and other crustaceans).  Have the authorities in Thailand, Vietnam, India and China done the required in-depth marine ecological studies that are needed to show no impact?  It’s hard to find a measurable change if you don’t actually do the measuring.  Also, all evidence suggests that WSSV originated from China and is probably naturally occurring throughout some parts of Asia.  If this were the case it would be expected that wild populations of crustaceans in those areas would be adapted to the virus.
 
WSSV has not been detected in the wild in Australia and Australia’s crustaceans have therefore evolved in the absence of this and many other exotic disease agents.  It is unclear how wild shrimp would react if exposed to WSSV and other exotic disease agents that occur in raw frozen shrimp.  The Australian Government takes a necessarily conservative view when faced with these unknowns.  Once these agents become established, they are here for good.  I think Biosecurity Australia arrived at a very pragmatic and practical position, which, we should remind readers, only restricts imports of the highest risk commodities.  Australian consumers still have full access to imported shrimp, provided they are cooked or have tested free of exotic diseases.
 
Importers are the ones making big dollars out of these risky commodities, so it stands to reason they can and should pay for testing to reduce risk of disease incursions that would otherwise endanger local industries and our environment.  I think we should go even further.  I bet the attitude of importers would not be so cavalier if they were required to pay compensation to the affected industries and restitution to all future generations of Australians when the risks catch up with them and things go wrong.
 
Information: Ben Diggles, Ph.D., DigsFish Services, Pty., Ltd., 32 Bowsprit Cres Banksia Beach, Queensland 4507, Australia (phone 61-7-34088443, email ben@digsfish.com, webpage www.digsfish.com).
 
Source: Austasia Aquaculture (www.austasiaaquaculture.com.au).  Tim Walker, Editor-in-Chief (AustasiaAquaculture@netspace.net.au).  A Letter to the Editor/Prawn imports: Continued caution urged.  V-21, Number 3, P-56, September 2007.
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