FDA: No Sign of Human Illness from Hogs Exposed to Melamine

Agency searches offices of pet food maker as probe into tainted food continues.

By E.J. Mundell and Steven Reinberg
HealthDay Reporters
Sunday, April 29, 2007; 12:00 AM

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SUNDAY, April 29 (HealthDay News) --- Pork products from hogs fed salvaged pet food contaminated with the chemical melamine have a "very low" likelihood of harming human health, U.S. health officials reiterated Saturday night.

In a joint statement, the U.S. Food and Drug Administration (FDA) and the U.S. Department of Agriculture (USDA) stressed, "We are not aware of any human illness that has occurred from exposure to melamine or its by-products." They added that they have identified no illnesses in swine fed the contaminated feed.

The USDA first announced on Thursday that meat from 345 hogs suspected of eating the contaminated feed had entered the U.S. food supply. Some 6,000 hogs suspected of eating the contaminated product have since been quarantined and meat from these animals would be withheld from the food supply, both agencies said.

In the statement, the FDA and USDA said the possibility of human illness from eating swine exposed to melamine remains low for several reasons: "First, it is a partial ingredient in the pet food; second, it is only part of the total feed given to the hogs; third, it is not known to accumulate in the hogs and the hogs excrete melamine in their urine; fourth, even if present in pork, pork is only a small part of the average American diet."

All of this marks another chapter in the widening pet-food scare, which has so far led to the recall of more than 100 pet food products and the illnesses and deaths of an unknown number of dogs and cats.

In its latest statement, the FDA said it believes that melamine-tainted rice protein imported from China "was used in the production of pet food, and a portion of the pet food was used to produce animal [hog] feed."

The rice protein was imported to the United States by Wilbur-Ellis, an agricultural product importer and distributor. The FDA says it is continuing its investigation of the source of the adulterated pet food, including "tracing products distributed since August 2006 by Wilbur-Ellis throughout the distribution chain."