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Salmonella contamination of cereal ingredients for animal feeds

Davies, RH and Wales, Andrew (2013) Salmonella contamination of cereal ingredients for animal feeds Veterinary Microbiology, 166 (3-4). pp. 543-549.

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Abstract

Cereal ingredients for animal feedstuffs may become contaminated by Salmonella on their farms of origin. This is often concentrated in multiple foci, owing to contamination by rodents and other wildlife which may be missed by routine sampling, and may involve serovars of particular public health significance, such as Salmonella Typhimurium (STM). The study examined such contamination in domestically-produced cereal ingredients in the United Kingdom. Cereal-producing farms with associated cattle or pig enterprises (43) and feedmills (6) were investigated, following the isolation of STM from their premises (feedmills) or STM DT104 from their livestock (farms) by routine surveillance. Cereal samples from feedmills yielded two STM isolates from the same premises, of the same phage types as were isolated from wild bird faeces at ingredient intake and product loading areas. Farm investigations identified numerous Salmonella serovars, including STM, on grain harvesting and handling equipment, in grain storage areas, and in wildlife samples. Mice were removed from one pig farm and shed Salmonella Derby and Salmonella Bovismorbificans for 10 months afterwards. Grain stores more than one kilometre away from livestock areas were rarely found to be contaminated with STM. The principal issues with Salmonella contamination of cereals appeared to be the use of livestock areas as temporary grain stores on cattle farms, and access to stored grain by wildlife and domestic animals.

Item Type: Article
Divisions : Faculty of Health and Medical Sciences > School of Veterinary Medicine
Authors :
NameEmailORCID
Davies, RHUNSPECIFIEDUNSPECIFIED
Wales, Andrewaw0051@surrey.ac.uk0000-0002-8657-3007
Date : 12 July 2013
Identification Number : 10.1016/j.vetmic.2013.07.003
Copyright Disclaimer : © 2013. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Uncontrolled Keywords : Salmonella; Feed; Bovine; Porcine; Cereal
Depositing User : Melanie Hughes
Date Deposited : 20 Oct 2017 09:21
Last Modified : 24 Oct 2017 11:59
URI: http://epubs.surrey.ac.uk/id/eprint/842617

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