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Impact of the Australian litter re-use practice on Salmonella in the broiler farming environment

Chinivasagam, H.N. and Tran, T. and Blackall, P.J. (2012) Impact of the Australian litter re-use practice on Salmonella in the broiler farming environment. Food Research International, 45 (2). pp. 891-896.

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Article Link(s): http://dx.doi.org/10.1016/j.foodres.2011.06.014

Publisher URL: http://www.sciencedirect.com

Abstract

This study has examined the dynamics (in terms of levels and serovar diversity) of Salmonella in the "dual litter environment" that occurs within a single shed as a result of a management practice common in Australia. The study also looked at the physical parameters of the litter (pH, moisture content, water activity and litter temperature) as a means of understanding the Salmonella dynamics in these litter environments. The Australian practice results in the brooder end of the shed having new litter each cycle while the grow-out end has re-used litter (a "dual litter environment"). Two farms that adopted this partial litter re-use practice were studied over one full broiler cycle each. Litter was sampled weekly for the levels (and serovars) of Salmonella during a farming cycle. There was a trend for lower levels of Salmonella (and a lower Salmonella serovar) diversity in the re-used litter environment as compared with the new litter environment. Of the physical parameters examined, it would appear that the lower water activity associated with the re-used litter may contribute to the Salmonella dynamics in the dual environment.

Item Type:Article
Corporate Creators:Department of Employment, Economic Development and Innovation (DEEDI), Agri-Science, Animal Science, QAFFI
Business groups:Agri-Science, Animal Science, QAFFI
Additional Information:Crown copyright ©
Keywords:Broilers; farming; foods; bedding; litter; moisture content; pH; poultry; serovars; survival; temperature; birds; fowls; Salmonella; bacterium; chickens; domesticated birds; hydrogen ion concentration; potential of hydrogen; practices.
Subjects:Science > Zoology > Chordates. Vertebrates > Birds
Animal culture > Poultry
Agriculture > Agriculture (General) > Farm economics. Farm management. Agricultural mathematics
Deposited On:24 Jul 2012 06:29
Last Modified:24 Jul 2012 06:30

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