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Effect of the housing system on shedding and colonization of gut and internal organs of laying hens with Salmonella enteritidis

(2009) POULTRY SCIENCE. 88(12). p.2491-2495
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Abstract
As a result of welfare considerations, conventional cage systems will be banned in the European Union from 2012 onward. Currently, there is limited information on the level of contamination with zoonotic pathogens related to the laying hen housing system. Therefore, 2 studies were designed to investigate the effect of the housing system on colonization of layers with Salmonella. In both studies, layers were housed in 3 different housing systems: a conventional cage system, a furnished cage, and an aviary. At 18 wk of age, all birds were orally inoculated with Salmonella Enteritidis. Shedding and colonization were measured at regular time points. The results did not show an increased risk for alternative housing systems compared with the conventional battery cage system. In contrast, in one study, a faster decline in shedding was noted for layers housed in the alternative cage systems in comparison with the conventional cage system. This study does not give indications that housing layers in alternative systems will yield a risk for increased Salmonella contamination.
Keywords
laying hen, TRANSMISSION, aviary, furnished cage, conventional cage, Salmonella Enteritidis, INFECTIONS, CHICKENS, FURNISHED CAGES, BATTERY CAGES, BROILER, AVIARY

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Chicago
De Vylder, Jantina, Sebastiaan Van Hoorebeke, Richard Ducatelle, Frank Pasmans, Freddy Haesebrouck, Jeroen Dewulf, and Filip Van Immerseel. 2009. “Effect of the Housing System on Shedding and Colonization of Gut and Internal Organs of Laying Hens with Salmonella Enteritidis.” Poultry Science 88 (12): 2491–2495.
APA
De Vylder, Jantina, Van Hoorebeke, S., Ducatelle, R., Pasmans, F., Haesebrouck, F., Dewulf, J., & Van Immerseel, F. (2009). Effect of the housing system on shedding and colonization of gut and internal organs of laying hens with Salmonella enteritidis. POULTRY SCIENCE, 88(12), 2491–2495.
Vancouver
1.
De Vylder J, Van Hoorebeke S, Ducatelle R, Pasmans F, Haesebrouck F, Dewulf J, et al. Effect of the housing system on shedding and colonization of gut and internal organs of laying hens with Salmonella enteritidis. POULTRY SCIENCE. 2009;88(12):2491–5.
MLA
De Vylder, Jantina, Sebastiaan Van Hoorebeke, Richard Ducatelle, et al. “Effect of the Housing System on Shedding and Colonization of Gut and Internal Organs of Laying Hens with Salmonella Enteritidis.” POULTRY SCIENCE 88.12 (2009): 2491–2495. Print.
@article{799325,
  abstract     = {As a result of welfare considerations, conventional cage systems will be banned in the European Union from 2012 onward. Currently, there is limited information on the level of contamination with zoonotic pathogens related to the laying hen housing system. Therefore, 2 studies were designed to investigate the effect of the housing system on colonization of layers with Salmonella. In both studies, layers were housed in 3 different housing systems: a conventional cage system, a furnished cage, and an aviary. At 18 wk of age, all birds were orally inoculated with Salmonella Enteritidis. Shedding and colonization were measured at regular time points. The results did not show an increased risk for alternative housing systems compared with the conventional battery cage system. In contrast, in one study, a faster decline in shedding was noted for layers housed in the alternative cage systems in comparison with the conventional cage system. This study does not give indications that housing layers in alternative systems will yield a risk for increased Salmonella contamination.},
  author       = {De Vylder, Jantina and Van Hoorebeke, Sebastiaan and Ducatelle, Richard and Pasmans, Frank and Haesebrouck, Freddy and Dewulf, Jeroen and Van Immerseel, Filip},
  issn         = {0032-5791},
  journal      = {POULTRY SCIENCE},
  keyword      = {laying hen,TRANSMISSION,aviary,furnished cage,conventional cage,Salmonella Enteritidis,INFECTIONS,CHICKENS,FURNISHED CAGES,BATTERY CAGES,BROILER,AVIARY},
  language     = {eng},
  number       = {12},
  pages        = {2491--2495},
  title        = {Effect of the housing system on shedding and colonization of gut and internal organs of laying hens with Salmonella enteritidis},
  url          = {http://dx.doi.org/10.3382/ps.2009-00203},
  volume       = {88},
  year         = {2009},
}

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