Asymmetry in Raw Milk Safety Perceptions and Information: Implications for Risk in Fresh Produce Marketing and Policy

Knutson, Ronald D.; Currier, Russell W.; Ribera, Luis A.; Goeringer, L. Paul

doi:10.22004/ag.econ.116440

Cited by 4 publications

(1 citation statement)

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“…Regulation and consumption of unpasteurised milk have been controversial since the early 20th century ( Linn, 2019 ), and there have been extensive peer-reviewed analyses on the benefits, risks and regulations ( e.g. , Draper & Green, 2002 ; Enticott, 2003 ; West, 2008 ; Knutson et al, 2010 ; Dunn, 2011 ; MacDonald et al, 2011 ; Buzby et al, 2013 ; Paxson & Helmreich, 2014 ; Knezevic, 2016 ; Rahn, Gollust & Tang, 2017 ; Willis et al, 2018 ; Berge & Baars, 2020 ; Baars et al, 2021 ). In this way, when the public is confronted with a large body of conflicting information (such as whether unpasteurised milk is safe, beneficial, or hazardous), and if selectively presented, there is the potential to yield significant differences in opinion to that of scientific experts ( Angulo, Lejeune & Rajala-Schultz, 2009 ).…”

Section: Introductionmentioning

confidence: 99%

Drivers and hazards of consumption of unpasteurised bovine milk and milk products in high-income countries

Robinson

2022

PeerJ

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Introduction The consumption of dairy products contributes to health, nutrition, and livelihoods globally. However, dairy products do not come without microbiological food safety risks for consumers. Despite this risk, common hygiene measures in high-income countries, particularly pasteurisation, ensures that milk is safe, and is indeed frequently mandated by law. Nevertheless, over the past two decades, there has been a global increase in the number of consumers in high-income developed countries actively seeking out unpasteurised milk in liquid and product forms for perceived nutritional and health benefits, and improved taste. The often-anecdotal claims upon which consumers make such choices are not all supported by scientific evidence; however, some recent research studies have investigated (and in some cases demonstrated) the positive impact of unpasteurised milk consumption on the prevalence of asthma, atopy, rectal cancer and respiratory illness. Methods To investigate the significance of unpasteurised milk and milk product consumption for human health in high-income countries, outbreak data between the years 2000 and 2018 were obtained for the United States of America, Canada, the European Union, the United Kingdom, Japan, New Zealand and Australia, which were then categorized into three World Health Organisation subregions: AMR A, EUR A and WPR A. Outbreak dynamic variables such as pathogens, the place of consumption, numbers of outbreaks and deaths per million capita, the average number of cases per outbreak and regulations were described and analysed using R Studio. To provide an overview of unpasteurised milk-related disease outbreaks, a rapid evidence review was also undertaken to establish an overview of what is known in the current literature about hazards and drivers of consumption. Results Foodborne outbreaks associated with unpasteurised dairy consumption have risen in high-income countries over the period 2000 to 2018, with Campylobacter spp. being the most common aetiological agent responsible, followed by Escherichia coli and Salmonella spp. The most common places of consumption are on farms or in households, indicating individuals choose to drink unpasteurised milk, rather than a widespread distribution of the product, for example, at social events and in schools. Further study is needed to better understand contributing factors, such as cultural differences in the consumption of dairy products. Conclusion There are several observable health benefits linked to consuming raw milk, but outbreaks associated with unpasteurised milk and milk products are on the rise. It cannot be definitively concluded whether the benefits outweigh the risks, and ultimately the decision lies with the individual consumer. Nevertheless, many countries have regulations in place to protect consumer health, acknowledging the definite risks to human health that unpasteurised dairy foods may pose, particularly from microbial hazards.

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