Implications for Welfare, Productivity and Sustainability of the Variation in Reported Levels of Mortality for Laying Hen Flocks Kept in Different Housing Systems: A Meta-Analysis of Ten Studies

Claire A. Weeks; Sarah L. Lambton; Adrian G. Williams

doi:10.1371/journal.pone.0146394

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Open Access

Peer-reviewed

Research Article

Implications for Welfare, Productivity and Sustainability of the Variation in Reported Levels of Mortality for Laying Hen Flocks Kept in Different Housing Systems: A Meta-Analysis of Ten Studies

Claire A. Weeks ,

* E-mail: claire.weeks@bristol.ac.uk

Affiliation School of Veterinary Sciences, University of Bristol, Langford, Bristol, United Kingdom
⨯
Sarah L. Lambton,

Affiliation School of Veterinary Sciences, University of Bristol, Langford, Bristol, United Kingdom
⨯
Adrian G. Williams

Affiliation School of Energy, Environment and Agri-food, Cranfield University, Bedford, United Kingdom
⨯

Implications for Welfare, Productivity and Sustainability of the Variation in Reported Levels of Mortality for Laying Hen Flocks Kept in Different Housing Systems: A Meta-Analysis of Ten Studies

Claire A. Weeks,
Sarah L. Lambton,
Adrian G. Williams

Published: January 6, 2016
https://doi.org/10.1371/journal.pone.0146394

About the Authors

Claire A. Weeks

* E-mail: claire.weeks@bristol.ac.uk

Affiliation School of Veterinary Sciences, University of Bristol, Langford, Bristol, United Kingdom

Sarah L. Lambton

Affiliation School of Veterinary Sciences, University of Bristol, Langford, Bristol, United Kingdom

Adrian G. Williams

Affiliation School of Energy, Environment and Agri-food, Cranfield University, Bedford, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CAW AGW. Performed the experiments: CAW SLL AGW. Analyzed the data: SLL AGW. Wrote the paper: CAW SLL AGW. Obtained permission for use of data from other studies: CAW.

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Chicken eggs
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Death rates
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Birds
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Animal sexual behavior
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