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Chemical treatment of animal feed and water for the control of Salmonella

Wales, Andrew, Allen, VM and Davies, RH (2009) Chemical treatment of animal feed and water for the control of Salmonella FOODBORNE PATHOGENS AND DISEASE, 7 (1). pp. 3-15.

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Abstract

The control of Salmonella in animal feedstuffs is important, principally to protect the human food chain from contamination by Salmonella derived from infected animals. The transmission of Salmonella from animal feeds to animals, and onwards to human food products, has been convincingly documented. This is especially important for chicken breeding and laying flocks and pigs, in view of the consequences of recent or imminent control legislation in the European Union. Animal feed ingredients, particularly animal and plant-derived protein meals, are frequently contaminated with Salmonella either from source or from processing plant, and recontamination in compounding mills is an additional problem. Several complementary strategies have been used to control this feed contamination, and these include a range of chemical treatments. The principal agents used are: organic acids and their salts, formaldehyde, and bacterial membrane disruptors such as terpenes and essential oils. Experimental agents include chlorate compounds. Many products use blends of agents from the same or different chemical groups to achieve synergistic or combination effects. The present review draws upon published and company data to describe the various modes of action and efficacies of different chemical agents delivered in feed or in drinking water against Salmonella occurring in feed or in livestock environments. Reasons for the failure of protection are explored, along with problems in usage such as corrosion and reduced palatability. Given the wide array of products available with contrasting modes of action, the need for standardised tests of efficacy is also discussed.

Item Type: Article
Divisions : Faculty of Health and Medical Sciences > School of Veterinary Medicine
Authors :
NameEmailORCID
Wales, Andrewaw0051@surrey.ac.uk0000-0002-8657-3007
Allen, VMUNSPECIFIEDUNSPECIFIED
Davies, RHUNSPECIFIEDUNSPECIFIED
Date : 12 October 2009
Identification Number : 10.1089/fpd.2009.0373
Copyright Disclaimer : Final publication is available from Mary Ann Liebert, Inc., publishers http://dx.doi.org/10.1089/fpd.2009.0373
Uncontrolled Keywords : Animal feed, Salmonella, organic acid, formaldehyde, chlorate, terpene, essential oil
Depositing User : Melanie Hughes
Date Deposited : 25 Oct 2017 10:02
Last Modified : 25 Oct 2017 10:02
URI: http://epubs.surrey.ac.uk/id/eprint/842655

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