Cited by 136Listeria monocytogenes in Food SafetySalmonella and Campylobacter epidemiologyFood Safety and Hygiene

Investigation of Listeria , Salmonella , and Toxigenic Escherichia coli in Various Pet Foods

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Nemser, Sarah M., Doran, Tara, Grabenstein, Michael, McConnell, Terri, McGrath, Timothy, Pamboukian, Ruiqing, Smith, Angele C., Achen, Maya +7 more·2014·Foodborne Pathogens and Disease

Abstract

The Veterinary Laboratory Investigation and Response Network (Vet-LIRN), in collaboration with the Food Emergency Response Network (FERN) and its Microbiology Cooperative Agreement Program (MCAP) laboratories, conducted a study to evaluate the prevalence of selected microbial organisms in various types of pet foods. The goal of this blinded study was to help the Center for Veterinary Medicine prioritize potential future pet food-testing efforts. The study also increased the FERN laboratories' screening capabilities for foodborne pathogens in animal feed matrices, since such pathogens may also be a significant health risk to consumers who come into contact with pet foods. Six U.S. Food and Drug Administration FERN MCAP laboratories analyzed approximately 1056 samples over 2 years. Laboratories tested for Salmonella, Listeria, Escherichia coli O157:H7 enterohemorrhagic E. coli, and Shiga toxin-producing strains of E. coli (STEC). Dry and semimoist dog and cat foods purchased from local stores were tested during Phase 1. Raw dog and cat foods, exotic animal feed, and jerky-type treats purchased through the Internet were tested in Phase 2. Of the 480 dry and semimoist samples, only 2 tested positive: 1 for Salmonella and 1 for Listeria greyii. However, of the 576 samples analyzed during Phase 2, 66 samples were positive for Listeria (32 of those were Listeria monocytogenes) and 15 samples positive for Salmonella. These pathogens were isolated from raw foods and jerky-type treats,…

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Crossref · 10.1089/fpd.2014.1748

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  • Surveys in Europe and North America have consistently found Salmonella species in a proportion of raw pet food samples, typically of fresh-frozen commercial diets.

    “Surveys in Europe and North America have consistently found Salmonella species in a proportion of samples, typically of fresh‐frozen commercial diets.”
  • Just one of 480 (0.2%) conventionally processed dog food samples yielded Salmonella in a USA study.

    “In contrast, just one of 480 (0.2%) conventionally processed dog food samples yielded Salmonella in a study from the USA (Nemser et al. 2014).”
  • Surveys of raw pet foods in North America have reported proportions of Salmonella-positive samples ranging between 7.1%, 8%, 9%, 20% and 21%.

    “Surveys of raw pet foods in North America (generally frozen and obtained through commercial outlets) have reported proportions of Salmonella‐positive samples ranging between 7.1% (Strohmeyer et al. 2006), 8% (Nemser et al. 2014), 9% (Mehlenbacher et al. 2012), 20% (Weese et al. 2005) and 21% (Finley et al. 2008).”
  • Serogroup O157 was not isolated from a total of 616 raw food samples in two studies in the USA.

    “serogroup O157 was not isolated from a total of 616 raw food samples in two studies in the USA (Lenz et al. 2009, Nemser et al. 2014)”
  • Listeria monocytogenes was isolated from 16% of raw (usually frozen) dog and cat foods in the USA.

    “and from 16% of raw (usually frozen) dog and cat foods in the USA (Nemser et al. 2014)”

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Authors
Nemser, S. M., Doran, T., Grabenstein, M., McConnell, T., McGrath, T., Pamboukian, R., Smith, A. C., Achen, M., Danzeisen, G., Kim, S., Liu, Y., Robeson, S., Rosario, G., McWilliams Wilson, K., & Reimschuessel, R.
Affiliations
  • Center for Veterinary Medicine (US)
  • Center for Food Safety and Applied Nutrition (US)
  • United States Food and Drug Administration (US)
  • Abbott Nutrition (United States) (US)
  • Eurofins (United States) (US)
  • Florida Department of Agriculture and Consumer Services (US)
  • Washington State Department of Agriculture (US)
  • Michigan Department of Health and Human Services (US)
  • North Carolina Department of Agriculture and Consumer Services (US)
  • Michigan Department of Agriculture and Rural Development
Corresponding author
Nemser, Sarah M.
Venue
Foodborne Pathogens and Disease
Published
2014-09
Volume
11
Issue
9
Pages
706-709
ISSN
  • 1535-3141 (ISSN-L)
  • 1556-7125
OpenAlex
W1964530361
Cited by
136
References
20
Citations by year
2026: 9 · 2025: 12 · 2024: 15 · 2023: 10 · 2022: 14 · 2021: 19 · 2020: 21 · 2019: 10 · 2018: 7 · 2017: 12 · 2016: 5 · 2015: 1 · 2014: 1
FWCI
5.38
Type
journal article
Language
en
Open access
Locations
  • Foodborne Pathogens and Disease (publishedVersion, cc-by)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Minnesota Department of Agriculture
  • Florida Department of Agriculture and Consumer Services
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biotechnology › Listeria monocytogenes in Food Safety
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Salmonella and Campylobacter epidemiology
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Food Safety and Hygiene
Keywords
pet food, Listeria monocytogenes, Salmonella, Escherichia coli O157:H7, Shiga toxin-producing Escherichia coli, raw pet food, food safety, pathogen prevalence, consumer health risk
MeSH terms
Animals, Animal Feed, Escherichia coli, Food Microbiology, Humans, Listeria, Listeria monocytogenes, Salmonella, United States, Colony Count, Microbial, Escherichia coli O157, Shiga-Toxigenic Escherichia coli, Enterohemorrhagic Escherichia coli, Pets

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