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Consumer MisReports

Consumer Reports Food Safety and Sustainability Center released its “Beef Report” on August 25. A number of questions, concerns and criticisms have been raised by the North American Meat Institute, the International Food Information Council, Business Insider, and others. Rather than answer the specific questions raised, Consumer Reports has encouraged people to read the report more closely.


Unfortunately, reading the report more closely simply raises more questions about the expertise and/or integrity of Consumer Reports and its “policy and action arm,” Consumers Union.

Here’s one example.

The Danger of Superbugs” heads a section on Page 10 and 11 detailing the health hazards posed by Shiga-toxin producing E. coli (STECs, like E. coli O157). This directly implies that antimicrobial resistance will make STEC infections more difficult to treat. This is not true.

Antibiotics are not used to treat STEC infections in people. Instead, treatments for STEC infections focus on replacing fluids due to diarrhea. In fact, antibiotic use is strongly discouraged in both Canada and the US because they could make the situation worse.

The Public Health Agency of Canada says: “Generally, the disease must run its course. Treatment for those infected with E. coli includes drinking plenty of liquids to replace the body fluids lost through diarrhea and vomiting, and to avoid dehydration… Antibiotics are not used to treat the illness, as they may increase the risk of developing hemolytic uremic syndrome.”

The Center for Disease Control in Atlanta says: Non-specific supportive therapy, including hydration, is important. Antibiotics should not be used to treat this infection. There is no evidence that treatment with antibiotics is helpful, and taking antibiotics may increase the risk of HUS. Antidiarrheal agents like Imodium® may also increase that risk.”

Antibiotics are not used to treat STEC infections in people, so antibiotic resistance will not make STEC infections more difficult to treat.

If antibiotics are not used to treat STEC infections in people, why is E. coli used in antimicrobial resistance surveillance programs?

Antimicrobial resistance surveillance programs in Canada and the US use E. coli as an indicator organism for several reasons. First, E. coli is found in all warm blooded animals and birds, and survives to some extent in the environment. Although some E. coli (like the STEC’s) are dangerous, the vast majority of E. coli are perfectly harmless (and some are even beneficial). Because E. coli is found almost everywhere, E. coli-based surveillance programs can always find it, and it is easy to grow and identify in the lab. Second, although antibiotics are not used to combat STEC infections in humans, E. coli is exposed to antibiotics that are used to treat other bacterial infections. This makes E. coli a valuable indicator of how antimicrobial use can affect the overall bacterial population. Third, bacteria can trade antimicrobial resistance genes with each other, so rates of antimicrobial resistance in E. coli can indicate the degree to which antimicrobial resistance rates may be changing in the overall bacterial population.

What are the actual rates of antimicrobial resistance in E. coli in Canadian beef? The Canadian Integrated Program for Antimicrobial Resistance Surveillance (CIPARS) has collected E. coli samples from retail beef since 2002. The 2013 CIPARS report indicates that 74% of E. coli isolates from retail beef could be killed by every antimicrobial tested, while 4% were resistant to three or more antimicrobial classes.

Canada’s beef industry remains focused on ensuring the safety of Canadian beef. Research funded through the Canadian Beef Cattle Industry Science Cluster has clearly demonstrated that large Canadian beef processors do an excellent job of producing dressed carcasses that are essentially free of microbial contamination. Finding ways to further reduce the risk of microbial contamination during carcass fabrication is the subject of ongoing research. Research, development and effective implementation of improved food safety practices should contribute to ongoing declines in the incidence of E. coli O157 in Canada.

Canada’s beef industry has supported antimicrobial use and resistance research for nearly two decades. This research gives strong evidence that Canada’s beef producers are using antimicrobials responsibly. They have good reasons for doing so. The beef industry needs to ensure that these veterinary products remain effective to prevent or treat illness in cattle for economic and ethical reasons. Like everyone else, beef producers also need to ensure that medical antimicrobials continue to work when they or their family need to use them. We need cattle to remain healthy so that they can produce safe, high quality beef. We also need to ensure that consumers can have confidence that they are buying safe, affordable, high quality beef that was raised in a responsible and sustainable manner.

The numerous misleading statements in the “Beef Report” are no reason for consumers to lose confidence in the safety of Canadian beef, or the Canadian beef industry’s ongoing commitments to keep it safe. Provided consumers continue to cook ground beef to 71oC, science says that the beef for sale in Canadian (and American) grocers is a safe, nutritious, responsible and sustainable food choice.

The Beef Science Cluster is funded by the National Check-Off and Agriculture and Agri -Food Canada with additional contributions from provincial beef industry groups and governments to advance research and technology transfer supporting the Canadian beef industry’s vision to be recognized as a preferred supplier of healthy, high quality beef, cattle and genetics.

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James BradburyAugust 28, 2015

Frankly, one of the best and well timed articles you have done. Some very well placed points here that help us to position our industry against misinformation such as this. Thank you for the work that you do and for the research into this article.


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