FDA No Closer to Solving Dog Jerky Treat Mystery

The FDA attributes a decline in jerky treat-related illness in dogs to a decrease in jerky treat availability after product recalls.

By | Posted: October 22, 2013, 2 p.m. PDT

Dog With Jerky TreatComplaints about jerky-related illnesses in pets have fallen sharply over the past year as proof of a connection between the treats and the ailments continues to elude investigators, the U.S. Food and Drug Administration reported today.

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The FDA reminded consumers that jerky treats should be given only in moderation and urged pet owners to take note of a questionable product’s lot number, a fact that investigators use to identify manufacturing plants and choose samples for additional testing. The agency also released a "Dear Veterinarian” letter designed to streamline the reporting and study of adverse events.

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The updates came 10 months after several jerky products were withdrawn from the U.S. market when the New York State Department of Agriculture discovered low levels of antibiotic residue. The falloff in complaints coincided with the product recalls, but the FDA isn’t ready to leap to conclusions.

"Because the brands that were recalled represent a significant portion of the jerky treat market in the United States, FDA theorizes therefore that the drop-off in complaints … is more likely the result of the general lack of availability [of] jerky pet treat products,” the agency stated.

Complaints about pet jerky, primarily treats made in China, began building in 2007. More than 3,000 reports of illnesses involving 3,600 dogs and 10 cats were lodged as of late September.

More than 580 deaths have been reported with pets of all sizes, ages and breeds, but evidence pointing to jerky as the cause has been inconclusive.

About 60 percent of the canine illnesses involved gastrointestinal distress, 30 percent presented with kidney or urinary problems, and 10 percent exhibited convulsions, tremors, hives or skin irritation.

The diagnosis in 135 dogs with kidney or urinary problems was Fanconi syndrome, which is marked by the body’s inability to retain nutrients such as glucose and amino acids because of the failure of the kidney’s proximal tubule.

"These dogs often improve when they are no longer being fed the treats,” the FDA noted.

Suspicion over the years has fallen on Chinese treat manufacturers and the ingredients they use. The Chinese government last year criticized calls for a temporarily halt to jerky production and even cast doubt on the FDA, saying "there might be something wrong” with the agency’s investigation.

FDA scrutiny of jerky treats has involved more than laboratories and researchers inside the U.S. government.

"As part of our investigation, we have inspected production facilities in China and met with [a Chinese regulatory agency] to ensure that they are aware of U.S. requirements for pet food safety and to develop collaboration on sharing information to support FDA’s investigation,” the FDA reported. "FDA also plans to host Chinese scientists at our veterinary research facility to further our scientific cooperation.”

Most of the pet illnesses reportedly involved chicken jerky, but advisories were extended last year to duck and sweet potato jerky treats. Jerky-wrapped rawhide and jerky paired with dried fruit or yams have been flagged as well.

The testing of more than 1,000 jerky samples over the past two years has looked for the presence of everything from pesticides and mycotoxins to irradiation markers and toxic metals.

"Testing has also included measuring the nutritional composition of jerky pet treats to verify that they contain the ingredients listed on the label and do not contain [other] ingredients,” the FDA stated.

The agency stopped short of advising consumers to eliminate jerky from their pets’ diet.

"Jerky pet treats should not be substituted for a balanced diet and are intended to be fed only occasionally and in small quantities,” the FDA noted.

The agency asked veterinarians who suspect a jerky-related illness to document it on the FDA Safety Reporting Portal and possibly provide samples to the Veterinary Laboratory Investigation and Response Network (Vet-LIRN).

The agency recommended that veterinarians who submit a case conduct a routine urinalysis after freezing a subsample of 10 milliliters. In addition, veterinarians who suspect liver or kidney injury should obtain routine blood work for possible FDA investigation.

"Vet-LIRN will provide testing results to the veterinarian to ensure that owners are counseled on the interpretation of the test results and appropriate medical care follow-up,” the FDA advised.


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George   Midland, Michigan

11/9/2013 2:57:01 AM

Our beloved (now almost 10 year old) miniature wiener dog was given Waggin' Train chicken jerky treats, one per day, for many years, right up to the recall early this year, with zero negative effects. Bought them at Sam's. He loved them, as did his best pal, another miniature wiener dog that a good friend of ours has. Zero negative effects for the other wiener. Same for the large Akita that lived next door who got them once in a while. Zero negative effects. Only bad thing was when the product was pulled off the shelf. Had to replace with a USA-made and over-processed/full of grains product that I feel is not as good. Thanks for nothing FDA.

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Eileen - 249708   Port Perry, ON

10/28/2013 4:23:10 AM

This is so sad that making money is more important than a dogs health.

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Jessie   Pittsburgh, Pennsylvania

10/24/2013 6:20:30 PM

Here is an easy recipe for dog jerky you can make at
http://yipsonfoods.blogspot. com/2013/09/healthy-treats-for-your-pup.html

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Kathylynn   College Station, Texas

10/24/2013 8:00:40 AM

Has anyone considered it could be soy? The symptoms sound like the ones humans can have when consuming soy. They could be using it as a filler and not listing it.

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