Evaluation of Salmonella presence in selected United States feed mills

MicrobiologyOpen
Gabriela MagossiValentina Trinetta

Abstract

Salmonella is a pathogen of public health concern. Each year, Salmonella infections cost to the food industry approximately $2.3 billion and 33% of the reported cases are associated with beef, poultry, or pork. Pathogen presence in feed mills can represent one of the many potential routes for entry and transmission into the food production chain. Nevertheless, little is known about Salmonella incidence and association with these types of environments. The objective of this study was to investigate Salmonella presence in different feed mills across the United States. Eleven facilities were selected in eight states and 12 sites were sampled within each feed mill. Samples were analyzed following the FSIS guidelines for isolation and identification of Salmonella. Positive isolates were further investigated by a PCR analysis targeting the invA gene to differentiate for Salmonella enterica. The total number of environmental samples collected was 237: 66% resulted culture positive and 13.1% were PCR positive. All sampled feed mills had at least one culture positive site and following production flow the number of positive samples decreased from ingredient receiving to final product. These preliminary results demonstrate the presence o...Continue Reading

References

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Citations

Nov 9, 2019·Foodborne Pathogens and Disease·Valentina TrinettaSara Lomonaco
Sep 8, 2020·Animal Health Research Reviews·Savannah C StewartCassandra K Jones
Feb 19, 2019·EFSA Journal·UNKNOWN EFSA Panel on Biological Hazards (EFSA BIOHAZ Panel)Robert Davies
Dec 12, 2018·Microbiology Resource Announcements·Sara LomonacoValentina Trinetta
Dec 20, 2019·Veterinary Medicine and Science·Cassandra K JonesChad B Paulk
Oct 23, 2020·Frontiers in Veterinary Science·Steven C RickeKurt E Richardson
Jan 6, 2021·Porcine Health Management·Laura Valeria AlarcónEnric Mateu
Mar 7, 2021·Animals : an Open Access Journal From MDPI·Jagoda Kępińska-Pacelik, Wioletta Biel
Jun 26, 2021·Transboundary and Emerging Diseases·Gerald C ShursonJennifer L G van de Ligt
Sep 24, 2021·Transboundary and Emerging Diseases·Jordan T GebhardtJason C Woodworth

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Methods Mentioned

BETA
PCR

Software Mentioned

SAS

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