|Southern California Seafood Health Advisory|
Posted by CALIFORNIA DEPARTMENT OF HEALTH SERVICES on April 05, 2006 at 15:55:34:|
FOR IMMEDIATE RELEASE:
STATE HEALTH OFFICER ADVISES CONSUMERS NOT TO EAT SOME SHELLFISH AND VISCERA OF SARDINES, ANCHOVIES AND CRAB FROM SOUTHERN CALIFORNIA COAST
SACRAMENTO - Consumers should not eat sport-harvested species of bivalve (two-shelled) shellfish, sardines and anchovies, or the organs, or viscera, of sport-harvested or commercially sold lobster or crab taken from the coast of San Diego, Los Angeles, Orange, Ventura, Santa Barbara and San Luis Obispo counties because they may be contaminated with domoic acid, a naturally occurring toxin that can cause human illness, State Public Health Officer Dr. Mark Horton warned today. Dogs, cats, birds and other household pets are also susceptible to domoic acid poisoning and should not be fed these products.
The California Department of Health Services (CDHS) has detected elevated levels of domoic acid in mussels and the viscera of sardines along the Southern California coast. Bivalve molluscan shellfish such as oysters, clams, mussels and scallops and the viscera of anchovies, crab and lobster could also contain dangerous levels of this toxin. Crab viscera is commonly known as "crab butter" and lobster viscera is called "tomally."
Domoic acid was first identified in 1991 in samples of mussels, razor clams and other seafood at several locations along the Pacific Coast, including California. No known cases of human poisoning from this toxin are known to have occurred in California. CDHS includes testing of domoic acid and other marine toxins in its biotoxin monitoring program.
Symptoms of domoic acid poisoning include vomiting, abdominal cramps, diarrhea, headache, disorientation, seizures and loss of short-term memory. Severe cases may be fatal or result in permanent short-term memory. Older individuals and individuals with impaired kidney function are more vulnerable to the toxic effects of domoic acid.
This warning does not apply to commercially caught bivalve shellfish, which are sold by certified harvesters and dealers and subject to frequent mandatory testing. State law prohibits the sale or offering for sale for human consumption of any clams, mussels, scallops or oysters, except by state-certified commercial shellfish harvesters or dealers. Shellfish sold by certified harvesters and dealers are subject to frequent mandatory testing.
For more information, consumers can call CDHS' toll-free "Shellfish Information Line," which includes updates on shellfish biotoxins and quarantines, at 1-800-553-4133.
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