Document Detail

Evaluation of bacterial and protozoal contamination of commercially available raw meat diets for dogs.
MedLine Citation:
PMID:  16478425     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To evaluate bacterial and protozoal contamination of commercially available raw meat diets for dogs. DESIGN: Prospective longitudinal study. SAMPLE POPULATION: 240 samples from 20 raw meat diets for dogs (containing beef, lamb, chicken, or turkey), 24 samples from 2 dry dog foods, and 24 samples from 2 canned dog foods. PROCEDURE: Each product was purchased commercially on 4 dates approximately 2 months apart. Three samples from each product at each sampling period were evaluated via bacterial culture for non-type-specific Escherichia coli (NTSEC), Salmonella enterica, and Campylobacter spp. Antimicrobial susceptibility testing was performed on selected isolates. Polymerase chain reaction assays were used to detect DNA from Cryptosporidium spp, Neospora spp, and Toxoplasma spp in samples obtained in the third and fourth sampling periods. RESULTS: One hundred fifty-three of 288 (53%) samples were contaminated with NTSEC. Both raw and prepared foods contained NTSEC during at least 1 culture period. Salmonella enterica was recovered from 17 (5.9%) samples, all of which were raw meat products. Campylobacter spp was not isolated from any samples. In 91 of 288 (31.6%) samples, there was no gram-negative bacterial growth before enrichment and in 48 of 288 (16.7%) samples, there was no aerobic bacterial growth before enrichment. Susceptibility phenotypes were variable. Cryptosporidium spp DNA was detected in 3 samples. CONCLUSIONS AND CLINICAL RELEVANCE: Bacterial contamination is common in commercially available raw meat diets, suggesting that there is a risk of foodborne illness in dogs fed these diets as well possible risk for humans associated with the dogs or their environments.
Rachel A Strohmeyer; Paul S Morley; Doreene R Hyatt; David A Dargatz; A Valeria Scorza; Michael R Lappin
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Journal of the American Veterinary Medical Association     Volume:  228     ISSN:  0003-1488     ISO Abbreviation:  J. Am. Vet. Med. Assoc.     Publication Date:  2006 Feb 
Date Detail:
Created Date:  2006-02-15     Completed Date:  2006-06-01     Revised Date:  2009-11-19    
Medline Journal Info:
Nlm Unique ID:  7503067     Medline TA:  J Am Vet Med Assoc     Country:  United States    
Other Details:
Languages:  eng     Pagination:  537-42     Citation Subset:  IM    
Animal Population Health Institute, Colorado State University, Fort Collins, CO 80523, USA.
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MeSH Terms
Animal Feed*
Bacteria / classification,  isolation & purification
Colony Count, Microbial / veterinary
Consumer Product Safety
DNA, Protozoan / isolation & purification
Eukaryota / classification,  isolation & purification
Food Contamination / analysis*
Food Microbiology*
Food Parasitology*
Longitudinal Studies
Meat / microbiology*,  parasitology*
Prospective Studies
Reg. No./Substance:
0/DNA, Protozoan
Comment In:
J Am Vet Med Assoc. 2006 Apr 15;228(8):1183; author reply 1184-5   [PMID:  16639840 ]
J Am Vet Med Assoc. 2006 Apr 15;228(8):1183-4; author reply 1184-5   [PMID:  16639841 ]
J Am Vet Med Assoc. 2006 Apr 15;228(8):1184; author reply 1184-5   [PMID:  16639842 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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