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New Studies Confirm: Raw Milk A Low-Risk Food PDF Print E-mail
Written by Weston A Price Foundation   
Friday, 14 June 2013 14:42

 

The Weston A. Price Foundation

PRESS CONTACT: Kimberly Hartke, 703.860.2711

FOR IMMEDIATE RELEASE

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(WASHINGTON, DC, June 11, 2013)-(GlobeNewsWire)--Three quantitative microbial risk assessments (QMRAs) recently published in the Journal of Food Protection have demonstrated that unpasteurized milk is a low-risk food, contrary to previous, inappropriately-evidenced claims suggesting a high-risk profile.  These scholarly papers, along with dozens of others, were reviewed on May 16, 2013 at the Centre for Disease Control in Vancouver, BC (Canada), during a special scientific Grand Rounds presentation entitled “Unpasteurized milk: myths and evidence.”

The reviewer, Nadine Ijaz, MSc, demonstrated how inappropriate evidence has long been mistakenly used to affirm the “myth” that raw milk is a high-risk food, as it was in the 1930s.  Today, green leafy vegetables are the most frequent cause of food-borne illness in the United States.   British Columbia CDC’s Medical Director of Environmental Health Services, Dr. Tom Kosatsky, who is also Scientific Director of Canada's National Collaborating Centre for Environmental Health, welcomed Ms. Ijaz’s invited presentation as “up-to-date” and “a very good example of knowledge synthesis and risk communication.”

Quantitative microbial risk assessment is considered the gold-standard in food safety evidence, a standard recommended by the United Nations body Codex Alimentarius, and affirmed as an important evidencing tool by both the U.S. Food and Drug Administration and Health Canada. The scientific papers cited at the BC Centre for Disease Control presentation demonstrated a low risk of illness from unpasteurized milk consumption for each of the pathogens
Campylobacter, Shiga-toxin inducing E. coli, Listeria monocytogenes and Staphylococcus aureus.  This low risk profile applied to healthy adults as well as members of immunologically-susceptible groups:  pregnant women, children and the elderly.

Given that these QMRAs appear to contradict a long-held scientific view that raw milk is a high-risk food, Ms. Ijaz noted (in line with United Nations standards) that it is important to confirm their accuracy using food-borne outbreak data .  The accuracy of recent QMRA findings was scientifically demonstrated using a combination of peer-reviewed data and Ijaz’s own recent scholarly working paper, which analysed U.S. outbreak data for raw milk using accepted methodologies.

Peer-reviewed outbreak data confirming a negligible risk of illness from Listeria monocytogenes in raw milk was particularly notable, and demonstrates the inaccuracy of a high-risk designation given to raw milk in an older U.S. government risk assessment for Listeria.  The forty-year worldwide absence of listeriosis cases from raw milk presented in a 2013 scholarly review, and affirmed in the QMRA results published in 2011, is attributed by European reviewers to the protective action of non-harmful bacteria found in raw milk.
“While it is clear that there remains some appreciable risk of food-borne illness from raw milk consumption, public health bodies should now update their policies and informational materials to reflect the most high-quality evidence, which characterizes this risk as low,” said Ijaz.  “Raw milk producers should continue to use rigorous management practices to minimize any possible remaining risk.”

Ms. Ijaz used extensive high-quality evidence to further deconstruct various scientific myths from both raw milk advocates and detractors.  As Ijaz pointed out, increasing evidence of raw farm milk’s unique health benefits to young children, as well as the possible detriments of industrial milk production practices, will need to be carefully considered in future risk analyses.  She recommended an honest, evidence-informed dialogue on raw milk issues between producers, consumers, advocates, legislators and public health officials.

"The BC CDC should be commended for recognizing this important research on raw milk safety," said Sally Fallon Morell, president of the  Weston A. Price Foundation, a non-profit nutrition education foundation that provides information on the health benefits of raw, whole milk from pastured cows. "I look forward to productive discussion with the US CDC and Food and Drug Administration in light of this new scientific evidence."

The Weston A. Price Foundation is a 501(c)(3) nutrition education foundation with the mission of disseminating accurate, science-based information on diet and health. Named after nutrition pioneer Weston A. Price, DDS, author of Nutrition and Physical Degeneration, the Washington, DC-based Foundation publishes a quarterly journal for its 16,500 members, supports 574 local chapters worldwide and hosts a yearly international conference. The Foundation phone number is (202) 363-4394, westonaprice.org, This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

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Contact:

Kimberly Hartke, Publicist

Weston A. Price Foundation

703-860-2711, This e-mail address is being protected from spambots. You need JavaScript enabled to view it

or

Liz Reitzig, Hartke Communications
This e-mail address is being protected from spambots. You need JavaScript enabled to view it 301-807-5063


References and interviews available upon request.

To view the May 16, 2013 Grand Rounds presentation from the B.C. Centre for Disease Control, visit: http://www.bccdc.ca/util/about/UBCCDC/GrandRounds/default.htm

Direct presentation link:  http://phsa.mediasite.com/mediasite/Play/b54b4be24bab4f4581ef0fdd8023d38d1d

Comments (1)Add Comment
where is the presentation
written by kevin k, Jul 02 2013
I can't find the presentation anywhere. Please sent me a link if you have one.

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Last Updated on Friday, 30 August 2013 15:19